56499215423 has 8 divisors (see below), whose sum is σ = 67968981120. Its totient is φ = 45879062040.

The previous prime is 56499215401. The next prime is 56499215453. The reversal of 56499215423 is 32451299465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56499215423 - 2⁶ = 56499215359 is a prime.

It is a super-2 number, since 2×56499215423² (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 (56499215453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212402933 + ... + 212403198.

It is an arithmetic number, because the mean of its divisors is an integer number (8496122640).

Almost surely, 2^56499215423 is an apocalyptic number.

56499215423 is a deficient number, since it is larger than the sum of its proper divisors (11469765697).

56499215423 is a wasteful number, since it uses less digits than its factorization.

56499215423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424806157.

The product of its digits is 2332800, while the sum is 50.

The spelling of 56499215423 in words is "fifty-six billion, four hundred ninety-nine million, two hundred fifteen thousand, four hundred twenty-three".