56142933 has 32 divisors (see below), whose sum is σ = 93726720. Its totient is φ = 29040960.

The previous prime is 56142901. The next prime is 56142937. The reversal of 56142933 is 33924165.

56142933 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 56142933 - 2⁵ = 56142901 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 56142894 and 56142903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56142937) 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 31 ways as a sum of consecutive naturals, for example, 82591 + ... + 83267.

It is an arithmetic number, because the mean of its divisors is an integer number (2928960).

Almost surely, 2^56142933 is an apocalyptic number.

It is an amenable number.

56142933 is a deficient number, since it is larger than the sum of its proper divisors (37583787).

56142933 is a wasteful number, since it uses less digits than its factorization.

56142933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 19440, while the sum is 33.

The square root of 56142933 is about 7492.8588002177. The cubic root of 56142933 is about 382.9114611946.

It can be divided in two parts, 56142 and 933, that added together give a palindrome (57075).

The spelling of 56142933 in words is "fifty-six million, one hundred forty-two thousand, nine hundred thirty-three".