55604975 has 24 divisors (see below), whose sum is σ = 70955280. Its totient is φ = 43211520.

The previous prime is 55604953. The next prime is 55604987. The reversal of 55604975 is 57940655.

It is not a de Polignac number, because 55604975 - 2¹⁸ = 55342831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148889 + ... + 149261.

It is an arithmetic number, because the mean of its divisors is an integer number (2956470).

Almost surely, 2^55604975 is an apocalyptic number.

55604975 is a deficient number, since it is larger than the sum of its proper divisors (15350305).

55604975 is a wasteful number, since it uses less digits than its factorization.

55604975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55604975 is about 7456.8743451932. The cubic root of 55604975 is about 381.6845229363.

The spelling of 55604975 in words is "fifty-five million, six hundred four thousand, nine hundred seventy-five".