55500475 has 12 divisors (see below), whose sum is σ = 68913000. Its totient is φ = 44340800.

The previous prime is 55500469. The next prime is 55500493. The reversal of 55500475 is 57400555.

It is not a de Polignac number, because 55500475 - 2²¹ = 53403323 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36276 + ... + 37774.

It is an arithmetic number, because the mean of its divisors is an integer number (5742750).

Almost surely, 2^55500475 is an apocalyptic number.

55500475 is a deficient number, since it is larger than the sum of its proper divisors (13412525).

55500475 is a wasteful number, since it uses less digits than its factorization.

55500475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 55500475 is about 7449.8640927201. The cubic root of 55500475 is about 381.4452694937.

The spelling of 55500475 in words is "fifty-five million, five hundred thousand, four hundred seventy-five".