56587122997 has 2 divisors, whose sum is σ = 56587122998. Its totient is φ = 56587122996.

The previous prime is 56587122973. The next prime is 56587123007. The reversal of 56587122997 is 79922178565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52310093796 + 4277029201 = 228714^2 + 65399^2 .

It is a cyclic number.

It is not a de Polignac number, because 56587122997 - 2¹¹ = 56587120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56587122497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28293561498 + 28293561499.

It is an arithmetic number, because the mean of its divisors is an integer number (28293561499).

Almost surely, 2^56587122997 is an apocalyptic number.

It is an amenable number.

56587122997 is a deficient number, since it is larger than the sum of its proper divisors (1).

56587122997 is an equidigital number, since it uses as much as digits as its factorization.

56587122997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 61.

The spelling of 56587122997 in words is "fifty-six billion, five hundred eighty-seven million, one hundred twenty-two thousand, nine hundred ninety-seven".