56624242357 has 2 divisors, whose sum is σ = 56624242358. Its totient is φ = 56624242356.

The previous prime is 56624242313. The next prime is 56624242361. The reversal of 56624242357 is 75324242665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49536959761 + 7087282596 = 222569^2 + 84186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56624242357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56624222357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28312121178 + 28312121179.

It is an arithmetic number, because the mean of its divisors is an integer number (28312121179).

Almost surely, 2^56624242357 is an apocalyptic number.

It is an amenable number.

56624242357 is a deficient number, since it is larger than the sum of its proper divisors (1).

56624242357 is an equidigital number, since it uses as much as digits as its factorization.

56624242357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 46.

The spelling of 56624242357 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, three hundred fifty-seven".