56131365 has 16 divisors (see below), whose sum is σ = 95093568. Its totient is φ = 28175616.

The previous prime is 56131363. The next prime is 56131373. The reversal of 56131365 is 56313165.

It is not a de Polignac number, because 56131365 - 2¹ = 56131363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56131363) 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, 109807 + ... + 110316.

It is an arithmetic number, because the mean of its divisors is an integer number (5943348).

Almost surely, 2^56131365 is an apocalyptic number.

It is an amenable number.

56131365 is a deficient number, since it is larger than the sum of its proper divisors (38962203).

56131365 is a wasteful number, since it uses less digits than its factorization.

56131365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220148.

The product of its digits is 8100, while the sum is 30.

The square root of 56131365 is about 7492.0868254446. The cubic root of 56131365 is about 382.8851603241.

The spelling of 56131365 in words is "fifty-six million, one hundred thirty-one thousand, three hundred sixty-five".