56623510363 has 4 divisors (see below), whose sum is σ = 64712583280. Its totient is φ = 48534437448.

The previous prime is 56623510343. The next prime is 56623510369. The reversal of 56623510363 is 36301532665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36301532665 = 5 ⋅7260306533.

It is a de Polignac number, because none of the positive numbers 2^k-56623510363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56623510369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044536448 + ... + 4044536461.

It is an arithmetic number, because the mean of its divisors is an integer number (16178145820).

Almost surely, 2^56623510363 is an apocalyptic number.

56623510363 is a deficient number, since it is larger than the sum of its proper divisors (8089072917).

56623510363 is an equidigital number, since it uses as much as digits as its factorization.

56623510363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089072916.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 56623510363 in words is "fifty-six billion, six hundred twenty-three million, five hundred ten thousand, three hundred sixty-three".