56475 has 18 divisors (see below), whose sum is σ = 101556. Its totient is φ = 30000.

The previous prime is 56473. The next prime is 56477. The reversal of 56475 is 57465.

56475 = T₁₆ + T₁₇ + ... + T₆₉.

It is an interprime number because it is at equal distance from previous prime (56473) and next prime (56477).

It is not a de Polignac number, because 56475 - 2¹ = 56473 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (56473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100 + ... + 350.

It is an arithmetic number, because the mean of its divisors is an integer number (5642).

2⁵⁶⁴⁷⁵ is an apocalyptic number.

56475 is a deficient number, since it is larger than the sum of its proper divisors (45081).

56475 is a wasteful number, since it uses less digits than its factorization.

56475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 259 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 56475 is about 237.6446927663. The cubic root of 56475 is about 38.3664909497.

Subtracting 56475 from its reverse (57465), we obtain a triangular number (990 = T₄₄).

The spelling of 56475 in words is "fifty-six thousand, four hundred seventy-five".