55501924828 has 12 divisors (see below), whose sum is σ = 111003849712. Its totient is φ = 23786539200.

The previous prime is 55501924781. The next prime is 55501924861. The reversal of 55501924828 is 82842910555.

55501924828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55501924828 is an admirable number.

It is a super-2 number, since 2×55501924828² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 991105773 + ... + 991105828.

Almost surely, 2^55501924828 is an apocalyptic number.

It is an amenable number.

55501924828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55501924828 is a wasteful number, since it uses less digits than its factorization.

55501924828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982211612 (or 1982211610 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 55501924828 in words is "fifty-five billion, five hundred one million, nine hundred twenty-four thousand, eight hundred twenty-eight".