56273342957 has 16 divisors (see below), whose sum is σ = 62370147840. Its totient is φ = 50434996032.

The previous prime is 56273342953. The next prime is 56273342969. The reversal of 56273342957 is 75924337265.

56273342957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56273342957 - 2² = 56273342953 is a prime.

It is a super-2 number, since 2×56273342957² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56273342899 and 56273342908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56273342953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108278 + ... + 352520.

It is an arithmetic number, because the mean of its divisors is an integer number (3898134240).

Almost surely, 2^56273342957 is an apocalyptic number.

It is an amenable number.

56273342957 is a deficient number, since it is larger than the sum of its proper divisors (6096804883).

56273342957 is a wasteful number, since it uses less digits than its factorization.

56273342957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244772.

The product of its digits is 9525600, while the sum is 53.

The spelling of 56273342957 in words is "fifty-six billion, two hundred seventy-three million, three hundred forty-two thousand, nine hundred fifty-seven".