56650561621553 has 8 divisors (see below), whose sum is σ = 58493473678080. Its totient is φ = 54808616726640.

The previous prime is 56650561621513. The next prime is 56650561621571. The reversal of 56650561621553 is 35512616505665.

56650561621553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56650561621553 - 2¹² = 56650561617457 is a prime.

It is a super-2 number, since 2×56650561621553² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56650561621513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241671350 + ... + 241905647.

It is an arithmetic number, because the mean of its divisors is an integer number (7311684209760).

Almost surely, 2^{56650561621553} is an apocalyptic number.

It is an amenable number.

56650561621553 is a deficient number, since it is larger than the sum of its proper divisors (1842912056527).

56650561621553 is a wasteful number, since it uses less digits than its factorization.

56650561621553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483580807.

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 56650561621553 in words is "fifty-six trillion, six hundred fifty billion, five hundred sixty-one million, six hundred twenty-one thousand, five hundred fifty-three".