56712394 has 4 divisors (see below), whose sum is σ = 85068594. Its totient is φ = 28356196.

The previous prime is 56712377. The next prime is 56712401. The reversal of 56712394 is 49321765.

56712394 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, and also an emirpimes, since its reverse is a distinct semiprime: 49321765 = 5 ⋅9864353.

It can be written as a sum of positive squares in only one way, i.e., 56475225 + 237169 = 7515^2 + 487^2 .

It is a super-2 number, since 2×56712394² = 6432591266422472, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14178097 + ... + 14178100.

Almost surely, 2^56712394 is an apocalyptic number.

56712394 is a deficient number, since it is larger than the sum of its proper divisors (28356200).

56712394 is a wasteful number, since it uses less digits than its factorization.

56712394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28356199.

The product of its digits is 45360, while the sum is 37.

The square root of 56712394 is about 7530.7631751370. The cubic root of 56712394 is about 384.2017395172.

The spelling of 56712394 in words is "fifty-six million, seven hundred twelve thousand, three hundred ninety-four".