56025513 has 20 divisors (see below), whose sum is σ = 84446868. Its totient is φ = 37013760.

The previous prime is 56025503. The next prime is 56025533. The reversal of 56025513 is 31552065.

56025513 is a `hidden beast` number, since 5 + 602 + 5 + 51 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 52881984 = 1773^2 + 7272^2 .

It is not a de Polignac number, because 56025513 - 2⁵ = 56025481 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (56025503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6093 + ... + 12213.

Almost surely, 2^56025513 is an apocalyptic number.

It is an amenable number.

56025513 is a deficient number, since it is larger than the sum of its proper divisors (28421355).

56025513 is a wasteful number, since it uses less digits than its factorization.

56025513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56025513 is about 7485.0192384522. The cubic root of 56025513 is about 382.6443284634.

Adding to 56025513 its reverse (31552065), we get a palindrome (87577578).

The spelling of 56025513 in words is "fifty-six million, twenty-five thousand, five hundred thirteen".