56145235 has 4 divisors (see below), whose sum is σ = 67374288. Its totient is φ = 44916184.

The previous prime is 56145227. The next prime is 56145239. The reversal of 56145235 is 53254165.

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

It is a cyclic number.

It is not a de Polignac number, because 56145235 - 2³ = 56145227 is a prime.

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 Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56145197 and 56145206.

It is not an unprimeable number, because it can be changed into a prime (56145239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5614519 + ... + 5614528.

It is an arithmetic number, because the mean of its divisors is an integer number (16843572).

Almost surely, 2^56145235 is an apocalyptic number.

56145235 is a deficient number, since it is larger than the sum of its proper divisors (11229053).

56145235 is a wasteful number, since it uses less digits than its factorization.

56145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229052.

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

The square root of 56145235 is about 7493.0124115739. The cubic root of 56145235 is about 382.9166945641.

It can be divided in two parts, 561 and 45235, that added together give a square (45796 = 214²).

The spelling of 56145235 in words is "fifty-six million, one hundred forty-five thousand, two hundred thirty-five".