56802200421 has 4 divisors (see below), whose sum is σ = 75736267232. Its totient is φ = 37868133612.

The previous prime is 56802200417. The next prime is 56802200449. The reversal of 56802200421 is 12400220865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56802200421 - 2² = 56802200417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56802200461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9467033401 + ... + 9467033406.

It is an arithmetic number, because the mean of its divisors is an integer number (18934066808).

Almost surely, 2^56802200421 is an apocalyptic number.

It is an amenable number.

56802200421 is a deficient number, since it is larger than the sum of its proper divisors (18934066811).

56802200421 is a wasteful number, since it uses less digits than its factorization.

56802200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934066810.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 56802200421 in words is "fifty-six billion, eight hundred two million, two hundred thousand, four hundred twenty-one".