56846841531 has 4 divisors (see below), whose sum is σ = 75795788712. Its totient is φ = 37897894352.

The previous prime is 56846841523. The next prime is 56846841559. The reversal of 56846841531 is 13514864865.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56846841531 - 2³ = 56846841523 is a prime.

It is a super-2 number, since 2×56846841531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56846841521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9474473586 + ... + 9474473591.

It is an arithmetic number, because the mean of its divisors is an integer number (18948947178).

Almost surely, 2^56846841531 is an apocalyptic number.

56846841531 is a deficient number, since it is larger than the sum of its proper divisors (18948947181).

56846841531 is a wasteful number, since it uses less digits than its factorization.

56846841531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948947180.

The product of its digits is 2764800, while the sum is 51.

The spelling of 56846841531 in words is "fifty-six billion, eight hundred forty-six million, eight hundred forty-one thousand, five hundred thirty-one".