56356143536 has 40 divisors (see below), whose sum is σ = 136133025024. Its totient is φ = 21956938560.

The previous prime is 56356143533. The next prime is 56356143581. The reversal of 56356143536 is 63534165365.

It is not an unprimeable number, because it can be changed into a prime (56356143533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22870580 + ... + 22873043.

Almost surely, 2^56356143536 is an apocalyptic number.

56356143536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56356143536 is an abundant number, since it is smaller than the sum of its proper divisors (79776881488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56356143536 is a wasteful number, since it uses less digits than its factorization.

56356143536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45743649 (or 45743643 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 47.

The spelling of 56356143536 in words is "fifty-six billion, three hundred fifty-six million, one hundred forty-three thousand, five hundred thirty-six".