55585075 has 48 divisors (see below), whose sum is σ = 86619456. Its totient is φ = 34444800.

The previous prime is 55585069. The next prime is 55585099. The reversal of 55585075 is 57058555.

It is not a de Polignac number, because 55585075 - 2⁹ = 55584563 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120345 + ... + 120805.

It is an arithmetic number, because the mean of its divisors is an integer number (1804572).

Almost surely, 2^55585075 is an apocalyptic number.

55585075 is a deficient number, since it is larger than the sum of its proper divisors (31034381).

55585075 is a wasteful number, since it uses less digits than its factorization.

55585075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The square root of 55585075 is about 7455.5398865542. The cubic root of 55585075 is about 381.6389848749.

The spelling of 55585075 in words is "fifty-five million, five hundred eighty-five thousand, seventy-five".