56536005319 has 4 divisors (see below), whose sum is σ = 57914932320. Its totient is φ = 55157078320.

The previous prime is 56536005287. The next prime is 56536005349. The reversal of 56536005319 is 91350063565.

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

It is a cyclic number.

It is not a de Polignac number, because 56536005319 - 2⁵ = 56536005287 is a prime.

It is a super-2 number, since 2×56536005319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56536005349) 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, 689463439 + ... + 689463520.

It is an arithmetic number, because the mean of its divisors is an integer number (14478733080).

Almost surely, 2^56536005319 is an apocalyptic number.

56536005319 is a deficient number, since it is larger than the sum of its proper divisors (1378927001).

56536005319 is a wasteful number, since it uses less digits than its factorization.

56536005319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378927000.

The product of its (nonzero) digits is 364500, while the sum is 43.

The spelling of 56536005319 in words is "fifty-six billion, five hundred thirty-six million, five thousand, three hundred nineteen".