56156049469 has 16 divisors (see below), whose sum is σ = 63708124480. Its totient is φ = 49069981440.

The previous prime is 56156049403. The next prime is 56156049503. The reversal of 56156049469 is 96494065165.

It is a cyclic number.

It is not a de Polignac number, because 56156049469 - 2²³ = 56147660861 is a prime.

It is a super-2 number, since 2×56156049469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56156043469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232714 + ... + 408004.

It is an arithmetic number, because the mean of its divisors is an integer number (3981757780).

Almost surely, 2^56156049469 is an apocalyptic number.

It is an amenable number.

56156049469 is a deficient number, since it is larger than the sum of its proper divisors (7552075011).

56156049469 is a wasteful number, since it uses less digits than its factorization.

56156049469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176620.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 56156049469 in words is "fifty-six billion, one hundred fifty-six million, forty-nine thousand, four hundred sixty-nine".