56312545 has 4 divisors (see below), whose sum is σ = 67575060. Its totient is φ = 45050032.

The previous prime is 56312537. The next prime is 56312569. The reversal of 56312545 is 54521365.

56312545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 48427681 = 2808^2 + 6959^2 .

It is a cyclic number.

It is not a de Polignac number, because 56312545 - 2³ = 56312537 is a prime.

It is a super-2 number, since 2×56312545² = 6342205448754050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631250 + ... + 5631259.

It is an arithmetic number, because the mean of its divisors is an integer number (16893765).

Almost surely, 2^56312545 is an apocalyptic number.

It is an amenable number.

56312545 is a deficient number, since it is larger than the sum of its proper divisors (11262515).

56312545 is a wasteful number, since it uses less digits than its factorization.

56312545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262514.

The product of its digits is 18000, while the sum is 31.

The square root of 56312545 is about 7504.1685082359. The cubic root of 56312545 is about 383.2966749233.

The spelling of 56312545 in words is "fifty-six million, three hundred twelve thousand, five hundred forty-five".