55265526560216 has 48 divisors (see below), whose sum is σ = 120542454414000. Its totient is φ = 23684916435264.

The previous prime is 55265526560197. The next prime is 55265526560221. The reversal of 55265526560216 is 61206562556255.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 30509885 + ... + 32270483.

It is an arithmetic number, because the mean of its divisors is an integer number (2511301133625).

Almost surely, 2^{55265526560216} is an apocalyptic number.

55265526560216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55265526560216 is an abundant number, since it is smaller than the sum of its proper divisors (65276927853784).

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

55265526560216 is a wasteful number, since it uses less digits than its factorization.

55265526560216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840696 (or 1840685 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 56.

The spelling of 55265526560216 in words is "fifty-five trillion, two hundred sixty-five billion, five hundred twenty-six million, five hundred sixty thousand, two hundred sixteen".