55213804576 has 48 divisors (see below), whose sum is σ = 124357935744. Its totient is φ = 23638892544.

The previous prime is 55213804573. The next prime is 55213804619. The reversal of 55213804576 is 67540831255.

It is not an unprimeable number, because it can be changed into a prime (55213804573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94816 + ... + 345568.

It is an arithmetic number, because the mean of its divisors is an integer number (2590790328).

Almost surely, 2^55213804576 is an apocalyptic number.

55213804576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55213804576 is an abundant number, since it is smaller than the sum of its proper divisors (69144131168).

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

55213804576 is a wasteful number, since it uses less digits than its factorization.

55213804576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251753 (or 251745 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 55213804576 in words is "fifty-five billion, two hundred thirteen million, eight hundred four thousand, five hundred seventy-six".