56698871 has 2 divisors, whose sum is σ = 56698872. Its totient is φ = 56698870.

The previous prime is 56698861. The next prime is 56698883. The reversal of 56698871 is 17889665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56698871 - 2¹⁴ = 56682487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56698861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28349435 + 28349436.

It is an arithmetic number, because the mean of its divisors is an integer number (28349436).

Almost surely, 2^56698871 is an apocalyptic number.

56698871 is a deficient number, since it is larger than the sum of its proper divisors (1).

56698871 is an equidigital number, since it uses as much as digits as its factorization.

56698871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 56698871 is about 7529.8652710391. The cubic root of 56698871 is about 384.1711996136.

The spelling of 56698871 in words is "fifty-six million, six hundred ninety-eight thousand, eight hundred seventy-one".