56753499894 has 96 divisors (see below), whose sum is σ = 140707031040. Its totient is φ = 14942543616.

The previous prime is 56753499883. The next prime is 56753499911. The reversal of 56753499894 is 49899435765.

It is a super-2 number, since 2×56753499894² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4372987 + ... + 4385945.

It is an arithmetic number, because the mean of its divisors is an integer number (1465698240).

Almost surely, 2^56753499894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56753499894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70353515520).

56753499894 is an abundant number, since it is smaller than the sum of its proper divisors (83953531146).

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

56753499894 is a wasteful number, since it uses less digits than its factorization.

56753499894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614 (or 13601 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 69.

The spelling of 56753499894 in words is "fifty-six billion, seven hundred fifty-three million, four hundred ninety-nine thousand, eight hundred ninety-four".