55657075 has 6 divisors (see below), whose sum is σ = 69014804. Its totient is φ = 44525640.

The previous prime is 55657073. The next prime is 55657081. The reversal of 55657075 is 57075655.

It is not a de Polignac number, because 55657075 - 2¹ = 55657073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55657073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113117 + ... + 1113166.

Almost surely, 2^55657075 is an apocalyptic number.

55657075 is a deficient number, since it is larger than the sum of its proper divisors (13357729).

55657075 is a wasteful number, since it uses less digits than its factorization.

55657075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226293 (or 2226288 counting only the distinct ones).

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 55657075 is about 7460.3669480797. The cubic root of 55657075 is about 381.8036942641.

The spelling of 55657075 in words is "fifty-five million, six hundred fifty-seven thousand, seventy-five".