56297630671 has 2 divisors, whose sum is σ = 56297630672. Its totient is φ = 56297630670.

The previous prime is 56297630621. The next prime is 56297630699. The reversal of 56297630671 is 17603679265.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56297630671 - 2²¹ = 56295533519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56297630621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28148815335 + 28148815336.

It is an arithmetic number, because the mean of its divisors is an integer number (28148815336).

Almost surely, 2^56297630671 is an apocalyptic number.

56297630671 is a deficient number, since it is larger than the sum of its proper divisors (1).

56297630671 is an equidigital number, since it uses as much as digits as its factorization.

56297630671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 56297630671 in words is "fifty-six billion, two hundred ninety-seven million, six hundred thirty thousand, six hundred seventy-one".