56748131 has 4 divisors (see below), whose sum is σ = 61907064. Its totient is φ = 51589200.

The previous prime is 56748119. The next prime is 56748137. The reversal of 56748131 is 13184765.

56748131 is nontrivially palindromic in base 13.

56748131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 56748131 - 2⁶ = 56748067 is a prime.

It is a super-2 number, since 2×56748131² = 6440700743986322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56748091 and 56748100.

It is not an unprimeable number, because it can be changed into a prime (56748137) 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 3 ways as a sum of consecutive naturals, for example, 2579450 + ... + 2579471.

It is an arithmetic number, because the mean of its divisors is an integer number (15476766).

Almost surely, 2^56748131 is an apocalyptic number.

56748131 is a deficient number, since it is larger than the sum of its proper divisors (5158933).

56748131 is a wasteful number, since it uses less digits than its factorization.

56748131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158932.

The product of its digits is 20160, while the sum is 35.

The square root of 56748131 is about 7533.1355357514. The cubic root of 56748131 is about 384.2824234359.

The spelling of 56748131 in words is "fifty-six million, seven hundred forty-eight thousand, one hundred thirty-one".