55627860 has 48 divisors (see below), whose sum is σ = 156284352. Its totient is φ = 14784000.

The previous prime is 55627843. The next prime is 55627879. The reversal of 55627860 is 6872655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18460 + ... + 21260.

It is an arithmetic number, because the mean of its divisors is an integer number (3255924).

Almost surely, 2^55627860 is an apocalyptic number.

It is an amenable number.

55627860 is an abundant number, since it is smaller than the sum of its proper divisors (100656492).

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

55627860 is a wasteful number, since it uses less digits than its factorization.

55627860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 55627860 is about 7458.4086774593. The cubic root of 55627860 is about 381.7368782772.

The spelling of 55627860 in words is "fifty-five million, six hundred twenty-seven thousand, eight hundred sixty".