56112545 has 8 divisors (see below), whose sum is σ = 68257896. Its totient is φ = 44274816.

The previous prime is 56112533. The next prime is 56112547. The reversal of 56112545 is 54521165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8059921 + 48052624 = 2839^2 + 6932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56112545 - 2⁸ = 56112289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56112547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76502 + ... + 77231.

It is an arithmetic number, because the mean of its divisors is an integer number (8532237).

Almost surely, 2^56112545 is an apocalyptic number.

It is an amenable number.

56112545 is a deficient number, since it is larger than the sum of its proper divisors (12145351).

56112545 is a wasteful number, since it uses less digits than its factorization.

56112545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153811.

The product of its digits is 6000, while the sum is 29.

The square root of 56112545 is about 7490.8307282971. The cubic root of 56112545 is about 382.8423636677.

It can be divided in two parts, 561125 and 45, that multiplied together give a square (25250625 = 5025²).

The spelling of 56112545 in words is "fifty-six million, one hundred twelve thousand, five hundred forty-five".