56858226557 has 4 divisors (see below), whose sum is σ = 62027156256. Its totient is φ = 51689296860.

The previous prime is 56858226539. The next prime is 56858226559. The reversal of 56858226557 is 75562285865.

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 56858226557 - 2⁶ = 56858226493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56858226496 and 56858226505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56858226559) 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, 2584464833 + ... + 2584464854.

It is an arithmetic number, because the mean of its divisors is an integer number (15506789064).

Almost surely, 2^56858226557 is an apocalyptic number.

It is an amenable number.

56858226557 is a deficient number, since it is larger than the sum of its proper divisors (5168929699).

56858226557 is a wasteful number, since it uses less digits than its factorization.

56858226557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168929698.

The product of its digits is 40320000, while the sum is 59.

The spelling of 56858226557 in words is "fifty-six billion, eight hundred fifty-eight million, two hundred twenty-six thousand, five hundred fifty-seven".