56499123408 has 160 divisors (see below), whose sum is σ = 185433464832. Its totient is φ = 14420160000.

The previous prime is 56499123397. The next prime is 56499123409. The reversal of 56499123408 is 80432199465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56499123409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73218 + ... + 344033.

Almost surely, 2^56499123408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56499123408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92716732416).

56499123408 is an abundant number, since it is smaller than the sum of its proper divisors (128934341424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56499123408 is a wasteful number, since it uses less digits than its factorization.

56499123408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417313 (or 417307 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 56499123408 in words is "fifty-six billion, four hundred ninety-nine million, one hundred twenty-three thousand, four hundred eight".