56623506519 has 16 divisors (see below), whose sum is σ = 77289075072. Its totient is φ = 36854273568.

The previous prime is 56623506509. The next prime is 56623506553. The reversal of 56623506519 is 91560532665.

It is not a de Polignac number, because 56623506519 - 2⁵ = 56623506487 is a prime.

It is a super-2 number, since 2×56623506519² (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 (56623506509) 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 15 ways as a sum of consecutive naturals, for example, 186304 + ... + 384650.

It is an arithmetic number, because the mean of its divisors is an integer number (4830567192).

Almost surely, 2^56623506519 is an apocalyptic number.

56623506519 is a deficient number, since it is larger than the sum of its proper divisors (20665568553).

56623506519 is a wasteful number, since it uses less digits than its factorization.

56623506519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200606.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 56623506519 in words is "fifty-six billion, six hundred twenty-three million, five hundred six thousand, five hundred nineteen".