56055060997 has 8 divisors (see below), whose sum is σ = 60374919416. Its totient is φ = 51736335552.

The previous prime is 56055060989. The next prime is 56055061001. The reversal of 56055060997 is 79906055065.

It can be written as a sum of positive squares in 4 ways, for example, as 1039482081 + 55015578916 = 32241^2 + 234554^2 .

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 56055060997 - 2³ = 56055060989 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 (56055060977) 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, 179058 + ... + 379699.

It is an arithmetic number, because the mean of its divisors is an integer number (7546864927).

Almost surely, 2^56055060997 is an apocalyptic number.

It is an amenable number.

56055060997 is a deficient number, since it is larger than the sum of its proper divisors (4319858419).

56055060997 is a wasteful number, since it uses less digits than its factorization.

56055060997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566487.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 56055060997 in words is "fifty-six billion, fifty-five million, sixty thousand, nine hundred ninety-seven".