56690071 has 2 divisors, whose sum is σ = 56690072. Its totient is φ = 56690070.

The previous prime is 56690059. The next prime is 56690089. The reversal of 56690071 is 17009665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56690071 - 2¹³ = 56681879 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28345035 + 28345036.

It is an arithmetic number, because the mean of its divisors is an integer number (28345036).

Almost surely, 2^56690071 is an apocalyptic number.

56690071 is a deficient number, since it is larger than the sum of its proper divisors (1).

56690071 is an equidigital number, since it uses as much as digits as its factorization.

56690071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 56690071 is about 7529.2809085596. The cubic root of 56690071 is about 384.1513233714.

The spelling of 56690071 in words is "fifty-six million, six hundred ninety thousand, seventy-one".