55950657 has 16 divisors (see below), whose sum is σ = 88199040. Its totient is φ = 30868992.

The previous prime is 55950637. The next prime is 55950673. The reversal of 55950657 is 75605955.

It is not a de Polignac number, because 55950657 - 2⁶ = 55950593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55950607) 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, 45328 + ... + 46545.

It is an arithmetic number, because the mean of its divisors is an integer number (5512440).

Almost surely, 2^55950657 is an apocalyptic number.

It is an amenable number.

55950657 is a deficient number, since it is larger than the sum of its proper divisors (32248383).

55950657 is a wasteful number, since it uses less digits than its factorization.

55950657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91912.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 55950657 is about 7480.0171791247. The cubic root of 55950657 is about 382.4738347688.

The spelling of 55950657 in words is "fifty-five million, nine hundred fifty thousand, six hundred fifty-seven".