56870043321 has 96 divisors (see below), whose sum is σ = 97445631360. Its totient is φ = 29226064896.

The previous prime is 56870043319. The next prime is 56870043367. The reversal of 56870043321 is 12334007865.

It is not a de Polignac number, because 56870043321 - 2¹ = 56870043319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 56870043321.

It is not an unprimeable number, because it can be changed into a prime (56870043371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50371485 + ... + 50372613.

It is an arithmetic number, because the mean of its divisors is an integer number (1015058660).

Almost surely, 2^56870043321 is an apocalyptic number.

It is an amenable number.

56870043321 is a deficient number, since it is larger than the sum of its proper divisors (40575588039).

56870043321 is a wasteful number, since it uses less digits than its factorization.

56870043321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 56870043321 in words is "fifty-six billion, eight hundred seventy million, forty-three thousand, three hundred twenty-one".