56145507 has 16 divisors (see below), whose sum is σ = 85218048. Its totient is φ = 32547680.

The previous prime is 56145491. The next prime is 56145527. The reversal of 56145507 is 70554165.

It is not a de Polignac number, because 56145507 - 2⁴ = 56145491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (56145527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36228 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (5326128).

Almost surely, 2^56145507 is an apocalyptic number.

56145507 is a deficient number, since it is larger than the sum of its proper divisors (29072541).

56145507 is a wasteful number, since it uses less digits than its factorization.

56145507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74010.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 56145507 is about 7493.0305617954. The cubic root of 56145507 is about 382.9173129198.

The spelling of 56145507 in words is "fifty-six million, one hundred forty-five thousand, five hundred seven".