56542713 has 4 divisors (see below), whose sum is σ = 75390288. Its totient is φ = 37695140.

The previous prime is 56542691. The next prime is 56542723. The reversal of 56542713 is 31724565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56542713 - 2¹³ = 56534521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56542723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9423783 + ... + 9423788.

It is an arithmetic number, because the mean of its divisors is an integer number (18847572).

Almost surely, 2^56542713 is an apocalyptic number.

It is an amenable number.

56542713 is a deficient number, since it is larger than the sum of its proper divisors (18847575).

56542713 is a wasteful number, since it uses less digits than its factorization.

56542713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18847574.

The product of its digits is 25200, while the sum is 33.

The square root of 56542713 is about 7519.4888789066. The cubic root of 56542713 is about 383.8181851417.

The spelling of 56542713 in words is "fifty-six million, five hundred forty-two thousand, seven hundred thirteen".