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55107562500 = 2232563132
BaseRepresentation
bin110011010100101010…
…101010110000000100
312021020112121020012100
4303110222222300010
51400330014000000
641152134152100
73660421360344
oct632452526004
9167215536170
1055107562500
1121409867391
12a81b4b2630
135272c8c363
14294abd0d24
151677e96a00
hexcd4aaac04

55107562500 has 189 divisors, whose sum is σ = 174680439843. Its totient is φ = 14648400000.

The previous prime is 55107562481. The next prime is 55107562501. The reversal of 55107562500 is 526570155.

It is a happy number.

The square root of 55107562500 is 234750.

It is a perfect power (a square), and thus also a powerful number.

55107562500 is a `hidden beast` number, since 551 + 0 + 7 + 56 + 2 + 50 + 0 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 9983606724 + 45123955776 = 99918^2 + 212424^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55107562501) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 176062344 + ... + 176062656.

Almost surely, 255107562500 is an apocalyptic number.

55107562500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55107562500 is the 234750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55107562500

55107562500 is an abundant number, since it is smaller than the sum of its proper divisors (119572877343).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55107562500 is an frugal number, since it uses more digits than its factorization.

55107562500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

Multiplying 55107562500 by its sum of digits (36), we get a square (1983872250000 = 14085002).

55107562500 divided by its sum of digits (36) gives a square (1530765625 = 391252).

The spelling of 55107562500 in words is "fifty-five billion, one hundred seven million, five hundred sixty-two thousand, five hundred".