55516028 has 12 divisors (see below), whose sum is σ = 97582632. Its totient is φ = 27635280.

The previous prime is 55516003. The next prime is 55516049. The reversal of 55516028 is 82061555.

It is a junction number, because it is equal to n+sod(n) for n = 55515985 and 55516003.

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, 29663 + ... + 31478.

It is an arithmetic number, because the mean of its divisors is an integer number (8131886).

Almost surely, 2^55516028 is an apocalyptic number.

It is an amenable number.

55516028 is a deficient number, since it is larger than the sum of its proper divisors (42066604).

55516028 is a wasteful number, since it uses less digits than its factorization.

55516028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61372 (or 61370 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 55516028 is about 7450.9078641465. The cubic root of 55516028 is about 381.4808972019.

The spelling of 55516028 in words is "fifty-five million, five hundred sixteen thousand, twenty-eight".