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55253195712 = 26331113317213
BaseRepresentation
bin110011011101010110…
…001101101111000000
312021121200122011102000
4303131112031233000
51401124304230322
641214415424000
73664140262101
oct633526155700
9167550564360
1055253195712
1121483a96810
12a860225000
1352971bc760
1429622a03a8
151685b623ac
hexcdd58dbc0

55253195712 has 448 divisors, whose sum is σ = 197014917120. Its totient is φ = 14954803200.

The previous prime is 55253195687. The next prime is 55253195713. The reversal of 55253195712 is 21759135255.

55253195712 is a `hidden beast` number, since 5 + 52 + 531 + 9 + 57 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253195713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7656618 + ... + 7663830.

It is an arithmetic number, because the mean of its divisors is an integer number (439765440).

Almost surely, 255253195712 is an apocalyptic number.

55253195712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55253195712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98507458560).

55253195712 is an abundant number, since it is smaller than the sum of its proper divisors (141761721408).

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

55253195712 is a wasteful number, since it uses less digits than its factorization.

55253195712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7289 (or 7273 counting only the distinct ones).

The product of its digits is 472500, while the sum is 45.

The spelling of 55253195712 in words is "fifty-five billion, two hundred fifty-three million, one hundred ninety-five thousand, seven hundred twelve".