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55310745600000 = 219325511231
BaseRepresentation
bin11001001001110000010010…
…10110000000000000000000
321020211122200221221110100100
430210320021112000000000
524222202401333200000
6313345223350322400
714436032560252542
oct1444701126000000
9236748627843310
1055310745600000
1116695178a41200
126253714959400
1324b2a1c91a127
14d930a929d692
1565db5d0cba00
hex324e09580000

55310745600000 has 2160 divisors, whose sum is σ = 226608767985600. Its totient is φ = 12976128000000.

The previous prime is 55310745599999. The next prime is 55310745600049. The reversal of 55310745600000 is 654701355.

55310745600000 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 0 + 7 + 45 + 600 + 0 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1784217599985 + ... + 1784217600015.

It is an arithmetic number, because the mean of its divisors is an integer number (104911466660).

Almost surely, 255310745600000 is an apocalyptic number.

55310745600000 is a gapful number since it is divisible by the number (50) 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 55310745600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113304383992800).

55310745600000 is an abundant number, since it is smaller than the sum of its proper divisors (171298022385600).

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

55310745600000 is an frugal number, since it uses more digits than its factorization.

55310745600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 55310745600000 in words is "fifty-five trillion, three hundred ten billion, seven hundred forty-five million, six hundred thousand".