56891695 has 24 divisors (see below), whose sum is σ = 79765344. Its totient is φ = 38953824.

The previous prime is 56891693. The next prime is 56891701. The reversal of 56891695 is 59619865.

56891695 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 56891695 - 2¹ = 56891693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56891693) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 83697 + ... + 84373.

It is an arithmetic number, because the mean of its divisors is an integer number (3323556).

Almost surely, 2^56891695 is an apocalyptic number.

56891695 is a deficient number, since it is larger than the sum of its proper divisors (22873649).

56891695 is an frugal number, since it uses more digits than its factorization.

56891695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 689 counting only the distinct ones).

The product of its digits is 583200, while the sum is 49.

The square root of 56891695 is about 7542.6583510060. The cubic root of 56891695 is about 384.6062089247.

The spelling of 56891695 in words is "fifty-six million, eight hundred ninety-one thousand, six hundred ninety-five".