56919135 has 128 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 22353408.

The previous prime is 56919133. The next prime is 56919157. The reversal of 56919135 is 53191965.

56919135 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 56919135 - 2¹ = 56919133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 56919093 and 56919102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56919133) 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 127 ways as a sum of consecutive naturals, for example, 1538337 + ... + 1538373.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 2^56919135 is an apocalyptic number.

56919135 is an abundant number, since it is smaller than the sum of its proper divisors (65653665).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56919135 is a wasteful number, since it uses less digits than its factorization.

56919135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 88 counting only the distinct ones).

The product of its digits is 36450, while the sum is 39.

The square root of 56919135 is about 7544.4771190587. The cubic root of 56919135 is about 384.6680334030.

The spelling of 56919135 in words is "fifty-six million, nine hundred nineteen thousand, one hundred thirty-five".