55476657 has 12 divisors (see below), whose sum is σ = 83101200. Its totient is φ = 36984276.

The previous prime is 55476613. The next prime is 55476671. The reversal of 55476657 is 75667455.

It is not a de Polignac number, because 55476657 - 2¹² = 55472561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55406657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113907 + ... + 114392.

It is an arithmetic number, because the mean of its divisors is an integer number (6925100).

Almost surely, 2^55476657 is an apocalyptic number.

It is an amenable number.

55476657 is a deficient number, since it is larger than the sum of its proper divisors (27624543).

55476657 is an equidigital number, since it uses as much as digits as its factorization.

55476657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228314 (or 228302 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 55476657 is about 7448.2653685271. The cubic root of 55476657 is about 381.3906960065.

The spelling of 55476657 in words is "fifty-five million, four hundred seventy-six thousand, six hundred fifty-seven".