55900475 has 12 divisors (see below), whose sum is σ = 69471000. Its totient is φ = 44620800.

The previous prime is 55900459. The next prime is 55900499. The reversal of 55900475 is 57400955.

It is not a de Polignac number, because 55900475 - 2⁴ = 55900459 is a prime.

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, 10235 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (5789250).

Almost surely, 2^55900475 is an apocalyptic number.

55900475 is a deficient number, since it is larger than the sum of its proper divisors (13570525).

55900475 is a wasteful number, since it uses less digits than its factorization.

55900475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55900475 is about 7476.6620225874. The cubic root of 55900475 is about 382.3594539673.

The spelling of 55900475 in words is "fifty-five million, nine hundred thousand, four hundred seventy-five".