55563075 has 18 divisors (see below), whose sum is σ = 99520044. Its totient is φ = 29633520.

The previous prime is 55563061. The next prime is 55563083. The reversal of 55563075 is 57036555.

55563075 is a `hidden beast` number, since 5 + 556 + 30 + 75 = 666.

It is not a de Polignac number, because 55563075 - 2¹⁴ = 55546691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123249 + ... + 123698.

Almost surely, 2^55563075 is an apocalyptic number.

55563075 is a deficient number, since it is larger than the sum of its proper divisors (43956969).

55563075 is a wasteful number, since it uses less digits than its factorization.

55563075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246963 (or 246955 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55563075 is about 7454.0643276001. The cubic root of 55563075 is about 381.5886286381.

The spelling of 55563075 in words is "fifty-five million, five hundred sixty-three thousand, seventy-five".