56170553263 has 16 divisors (see below), whose sum is σ = 62168159232. Its totient is φ = 50322132000.

The previous prime is 56170553249. The next prime is 56170553279. The reversal of 56170553263 is 36235507165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56170553263 - 2²⁵ = 56136998831 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 (56170523263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846033 + ... + 1876213.

It is an arithmetic number, because the mean of its divisors is an integer number (3885509952).

Almost surely, 2^56170553263 is an apocalyptic number.

56170553263 is a deficient number, since it is larger than the sum of its proper divisors (5997605969).

56170553263 is a wasteful number, since it uses less digits than its factorization.

56170553263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32646.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 56170553263 in words is "fifty-six billion, one hundred seventy million, five hundred fifty-three thousand, two hundred sixty-three".