55510516 has 12 divisors (see below), whose sum is σ = 97569220. Its totient is φ = 27633600.

The previous prime is 55510501. The next prime is 55510529. The reversal of 55510516 is 61501555.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 2890000 = 7254^2 + 1700^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 29385 + ... + 31216.

Almost surely, 2^55510516 is an apocalyptic number.

It is an amenable number.

55510516 is a deficient number, since it is larger than the sum of its proper divisors (42058704).

55510516 is a wasteful number, since it uses less digits than its factorization.

55510516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60834 (or 60832 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 55510516 is about 7450.5379671538. The cubic root of 55510516 is about 381.4682714650.

The spelling of 55510516 in words is "fifty-five million, five hundred ten thousand, five hundred sixteen".