56131429 has 4 divisors (see below), whose sum is σ = 56508300. Its totient is φ = 55754560.

The previous prime is 56131409. The next prime is 56131441. The reversal of 56131429 is 92413165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7452900 + 48678529 = 2730^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 56131429 - 2¹⁵ = 56098661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56131429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56131409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188212 + ... + 188509.

It is an arithmetic number, because the mean of its divisors is an integer number (14127075).

Almost surely, 2^56131429 is an apocalyptic number.

It is an amenable number.

56131429 is a deficient number, since it is larger than the sum of its proper divisors (376871).

56131429 is a wasteful number, since it uses less digits than its factorization.

56131429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376870.

The product of its digits is 6480, while the sum is 31.

The square root of 56131429 is about 7492.0910966165. The cubic root of 56131429 is about 382.8853058437.

The spelling of 56131429 in words is "fifty-six million, one hundred thirty-one thousand, four hundred twenty-nine".