56515500583 has 2 divisors, whose sum is σ = 56515500584. Its totient is φ = 56515500582.

The previous prime is 56515500539. The next prime is 56515500593. The reversal of 56515500583 is 38500551565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56515500583 - 2¹⁷ = 56515369511 is a prime.

It is a super-2 number, since 2×56515500583² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56515500593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28257750291 + 28257750292.

It is an arithmetic number, because the mean of its divisors is an integer number (28257750292).

Almost surely, 2^56515500583 is an apocalyptic number.

56515500583 is a deficient number, since it is larger than the sum of its proper divisors (1).

56515500583 is an equidigital number, since it uses as much as digits as its factorization.

56515500583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 56515500583 in words is "fifty-six billion, five hundred fifteen million, five hundred thousand, five hundred eighty-three".