56577175156451 has 2 divisors, whose sum is σ = 56577175156452. Its totient is φ = 56577175156450.

The previous prime is 56577175156373. The next prime is 56577175156459. The reversal of 56577175156451 is 15465157177565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56577175156451 is a prime.

It is not a weakly prime, because it can be changed into another prime (56577175156459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288587578225 + 28288587578226.

It is an arithmetic number, because the mean of its divisors is an integer number (28288587578226).

Almost surely, 2^{56577175156451} is an apocalyptic number.

56577175156451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56577175156451 is an equidigital number, since it uses as much as digits as its factorization.

56577175156451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350000, while the sum is 65.

The spelling of 56577175156451 in words is "fifty-six trillion, five hundred seventy-seven billion, one hundred seventy-five million, one hundred fifty-six thousand, four hundred fifty-one".