56858948840 has 48 divisors (see below), whose sum is σ = 132192707940. Its totient is φ = 22009900800.

The previous prime is 56858948827. The next prime is 56858948857. The reversal of 56858948840 is 4884985865.

It can be written as a sum of positive squares in 2 ways, for example, as 55128222436 + 1730726404 = 234794^2 + 41602^2 .

It is a super-4 number, since 4×56858948840⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701141 + ... + 778020.

Almost surely, 2^56858948840 is an apocalyptic number.

It is an amenable number.

56858948840 is an abundant number, since it is smaller than the sum of its proper divisors (75333759100).

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

56858948840 is a wasteful number, since it uses less digits than its factorization.

56858948840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479234 (or 1479199 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 65.

The spelling of 56858948840 in words is "fifty-six billion, eight hundred fifty-eight million, nine hundred forty-eight thousand, eight hundred forty".