56991426307201 has 8 divisors (see below), whose sum is σ = 57049580925504. Its totient is φ = 56933277266160.

The previous prime is 56991426307169. The next prime is 56991426307213. The reversal of 56991426307201 is 10270362419965.

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 56991426307201 - 2⁵ = 56991426307169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56991426307261) 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, 19208350 + ... + 21975976.

It is an arithmetic number, because the mean of its divisors is an integer number (7131197615688).

Almost surely, 2^{56991426307201} is an apocalyptic number.

It is an amenable number.

56991426307201 is a deficient number, since it is larger than the sum of its proper divisors (58154618303).

56991426307201 is a wasteful number, since it uses less digits than its factorization.

56991426307201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788631.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 56991426307201 in words is "fifty-six trillion, nine hundred ninety-one billion, four hundred twenty-six million, three hundred seven thousand, two hundred one".