55458654928 has 20 divisors (see below), whose sum is σ = 107457567588. Its totient is φ = 27727669760.

The previous prime is 55458654899. The next prime is 55458654949. The reversal of 55458654928 is 82945685455.

It can be written as a sum of positive squares in 2 ways, for example, as 12703994944 + 42754659984 = 112712^2 + 206772^2 .

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, 199218 + ... + 388078.

Almost surely, 2^55458654928 is an apocalyptic number.

It is an amenable number.

55458654928 is a deficient number, since it is larger than the sum of its proper divisors (51998912660).

55458654928 is a wasteful number, since it uses less digits than its factorization.

55458654928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207222 (or 207216 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 61.

The spelling of 55458654928 in words is "fifty-five billion, four hundred fifty-eight million, six hundred fifty-four thousand, nine hundred twenty-eight".