55475 has 12 divisors (see below), whose sum is σ = 78864. Its totient is φ = 37920.

The previous prime is 55469. The next prime is 55487. The reversal of 55475 is 57455.

55475 = 86² + 87² + ... + 92².

It is not a de Polignac number, because 55475 - 2⁶ = 55411 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55475.

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, 17 + ... + 333.

It is an arithmetic number, because the mean of its divisors is an integer number (6572).

2⁵⁵⁴⁷⁵ is an apocalyptic number.

55475 is a deficient number, since it is larger than the sum of its proper divisors (23389).

55475 is a wasteful number, since it uses less digits than its factorization.

55475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 329 counting only the distinct ones).

The product of its digits is 3500, while the sum is 26.

The square root of 55475 is about 235.5313142663. The cubic root of 55475 is about 38.1386898790.

The spelling of 55475 in words is "fifty-five thousand, four hundred seventy-five".