56573220365251 has 8 divisors (see below), whose sum is σ = 56692207411200. Its totient is φ = 56454236987400.

The previous prime is 56573220365177. The next prime is 56573220365257. The reversal of 56573220365251 is 15256302237565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56573220365251 - 2⁴¹ = 54374197109699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56573220365257) 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, 31138270 + ... + 32904988.

It is an arithmetic number, because the mean of its divisors is an integer number (7086525926400).

Almost surely, 2^{56573220365251} is an apocalyptic number.

56573220365251 is a deficient number, since it is larger than the sum of its proper divisors (118987045949).

56573220365251 is a wasteful number, since it uses less digits than its factorization.

56573220365251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834049.

The product of its (nonzero) digits is 11340000, while the sum is 52.

The spelling of 56573220365251 in words is "fifty-six trillion, five hundred seventy-three billion, two hundred twenty million, three hundred sixty-five thousand, two hundred fifty-one".