55575459 has 12 divisors (see below), whose sum is σ = 82234152. Its totient is φ = 36146400.

The previous prime is 55575451. The next prime is 55575469. The reversal of 55575459 is 95457555.

55575459 is a `hidden beast` number, since 55 + 57 + 545 + 9 = 666.

It is not a de Polignac number, because 55575459 - 2³ = 55575451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55575451) 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, 74937 + ... + 75674.

It is an arithmetic number, because the mean of its divisors is an integer number (6852846).

Almost surely, 2^55575459 is an apocalyptic number.

55575459 is a deficient number, since it is larger than the sum of its proper divisors (26658693).

55575459 is a wasteful number, since it uses less digits than its factorization.

55575459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150658 (or 150655 counting only the distinct ones).

The product of its digits is 787500, while the sum is 45.

The square root of 55575459 is about 7454.8949690790. The cubic root of 55575459 is about 381.6169762565.

The spelling of 55575459 in words is "fifty-five million, five hundred seventy-five thousand, four hundred fifty-nine".