56555371337 has 4 divisors (see below), whose sum is σ = 56561110656. Its totient is φ = 56549632020.

The previous prime is 56555371303. The next prime is 56555371339. The reversal of 56555371337 is 73317355565.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56555371337 is a prime.

It is a super-2 number, since 2×56555371337² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555371339) 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, 2854853 + ... + 2874594.

It is an arithmetic number, because the mean of its divisors is an integer number (14140277664).

Almost surely, 2^56555371337 is an apocalyptic number.

It is an amenable number.

56555371337 is a deficient number, since it is larger than the sum of its proper divisors (5739319).

56555371337 is an equidigital number, since it uses as much as digits as its factorization.

56555371337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739318.

The product of its digits is 4961250, while the sum is 50.

The spelling of 56555371337 in words is "fifty-six billion, five hundred fifty-five million, three hundred seventy-one thousand, three hundred thirty-seven".