56623206251 has 8 divisors (see below), whose sum is σ = 58028721408. Its totient is φ = 55218856000.

The previous prime is 56623206221. The next prime is 56623206253. The reversal of 56623206251 is 15260232665.

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

It is a cyclic number.

It is not a de Polignac number, because 56623206251 - 2¹⁰ = 56623205227 is a prime.

It is a super-2 number, since 2×56623206251² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56623206253) 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 7 ways as a sum of consecutive naturals, for example, 192395 + ... + 387636.

It is an arithmetic number, because the mean of its divisors is an integer number (7253590176).

Almost surely, 2^56623206251 is an apocalyptic number.

56623206251 is a deficient number, since it is larger than the sum of its proper divisors (1405515157).

56623206251 is a wasteful number, since it uses less digits than its factorization.

56623206251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582453.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 56623206251 in words is "fifty-six billion, six hundred twenty-three million, two hundred six thousand, two hundred fifty-one".