56836090169 has 4 divisors (see below), whose sum is σ = 56837328420. Its totient is φ = 56834851920.

The previous prime is 56836090109. The next prime is 56836090229. The reversal of 56836090169 is 96109063865.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56836090109) and next prime (56836090229).

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 56828361769 = 2780^2 + 238387^2 .

It is a cyclic number.

It is not a de Polignac number, because 56836090169 - 2⁸ = 56836089913 is a prime.

It is a super-2 number, since 2×56836090169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56836090169.

It is not an unprimeable number, because it can be changed into a prime (56836090109) 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, 547514 + ... + 642995.

It is an arithmetic number, because the mean of its divisors is an integer number (14209332105).

Almost surely, 2^56836090169 is an apocalyptic number.

It is an amenable number.

56836090169 is a deficient number, since it is larger than the sum of its proper divisors (1238251).

56836090169 is a wasteful number, since it uses less digits than its factorization.

56836090169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238250.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 56836090169 in words is "fifty-six billion, eight hundred thirty-six million, ninety thousand, one hundred sixty-nine".