55657827 has 16 divisors (see below), whose sum is σ = 83856000. Its totient is φ = 36475272.

The previous prime is 55657793. The next prime is 55657829. The reversal of 55657827 is 72875655.

55657827 is a `hidden beast` number, since 5 + 56 + 578 + 27 = 666.

It is not a de Polignac number, because 55657827 - 2⁸ = 55657571 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55657829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15877 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (5241000).

Almost surely, 2^55657827 is an apocalyptic number.

55657827 is a deficient number, since it is larger than the sum of its proper divisors (28198173).

55657827 is a wasteful number, since it uses less digits than its factorization.

55657827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007 (or 35001 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 55657827 is about 7460.4173475751. The cubic root of 55657827 is about 381.8054138124.

The spelling of 55657827 in words is "fifty-five million, six hundred fifty-seven thousand, eight hundred twenty-seven".