56111545 has 16 divisors (see below), whose sum is σ = 77096448. Its totient is φ = 38404800.

The previous prime is 56111533. The next prime is 56111591. The reversal of 56111545 is 54511165.

It is a happy number.

56111545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56111545 - 2⁷ = 56111417 is a prime.

It is a Duffinian number.

Its product of digits (3000) is a multiple of the sum of its prime divisors (3000).

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 15 ways as a sum of consecutive naturals, for example, 23392 + ... + 25678.

It is an arithmetic number, because the mean of its divisors is an integer number (4818528).

Almost surely, 2^56111545 is an apocalyptic number.

It is an amenable number.

56111545 is a deficient number, since it is larger than the sum of its proper divisors (20984903).

56111545 is a wasteful number, since it uses less digits than its factorization.

56111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its digits is 3000, while the sum is 28.

The square root of 56111545 is about 7490.7639797286. The cubic root of 56111545 is about 382.8400894013.

The spelling of 56111545 in words is "fifty-six million, one hundred eleven thousand, five hundred forty-five".