55251265699200 has 96 divisors (see below), whose sum is σ = 181983856428360. Its totient is φ = 14733670850560.

The previous prime is 55251265699187. The next prime is 55251265699211. The reversal of 55251265699200 is 299656215255.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55251265699200² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2877660489 + ... + 2877679688.

Almost surely, 2^{55251265699200} is an apocalyptic number.

55251265699200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55251265699200 is an abundant number, since it is smaller than the sum of its proper divisors (126732590729160).

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

55251265699200 is a wasteful number, since it uses less digits than its factorization.

55251265699200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755340204 (or 5755340187 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 57.

The spelling of 55251265699200 in words is "fifty-five trillion, two hundred fifty-one billion, two hundred sixty-five million, six hundred ninety-nine thousand, two hundred".