56153058989077 has 2 divisors, whose sum is σ = 56153058989078. Its totient is φ = 56153058989076.

The previous prime is 56153058989033. The next prime is 56153058989081. The reversal of 56153058989077 is 77098985035165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42470650336401 + 13682408652676 = 6516951^2 + 3698974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56153058989077 is a prime.

It is a super-2 number, since 2×56153058989077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56153058989087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28076529494538 + 28076529494539.

It is an arithmetic number, because the mean of its divisors is an integer number (28076529494539).

Almost surely, 2^{56153058989077} is an apocalyptic number.

It is an amenable number.

56153058989077 is a deficient number, since it is larger than the sum of its proper divisors (1).

56153058989077 is an equidigital number, since it uses as much as digits as its factorization.

56153058989077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536000, while the sum is 73.

The spelling of 56153058989077 in words is "fifty-six trillion, one hundred fifty-three billion, fifty-eight million, nine hundred eighty-nine thousand, seventy-seven".