55727716 has 12 divisors (see below), whose sum is σ = 106389360. Its totient is φ = 25330760.

The previous prime is 55727681. The next prime is 55727729. The reversal of 55727716 is 61772755.

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, 633226 + ... + 633313.

It is an arithmetic number, because the mean of its divisors is an integer number (8865780).

Almost surely, 2^55727716 is an apocalyptic number.

It is an amenable number.

55727716 is a deficient number, since it is larger than the sum of its proper divisors (50661644).

55727716 is a wasteful number, since it uses less digits than its factorization.

55727716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266554 (or 1266552 counting only the distinct ones).

The product of its digits is 102900, while the sum is 40.

The square root of 55727716 is about 7465.0998653735. The cubic root of 55727716 is about 381.9651567682.

The spelling of 55727716 in words is "fifty-five million, seven hundred twenty-seven thousand, seven hundred sixteen".