56712259 has 2 divisors, whose sum is σ = 56712260. Its totient is φ = 56712258.

The previous prime is 56712239. The next prime is 56712269. The reversal of 56712259 is 95221765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56712259 - 2¹¹ = 56710211 is a prime.

It is a Chen prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (56712209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356129 + 28356130.

It is an arithmetic number, because the mean of its divisors is an integer number (28356130).

Almost surely, 2^56712259 is an apocalyptic number.

56712259 is a deficient number, since it is larger than the sum of its proper divisors (1).

56712259 is an equidigital number, since it uses as much as digits as its factorization.

56712259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 56712259 is about 7530.7542118967. The cubic root of 56712259 is about 384.2014346616.

The spelling of 56712259 in words is "fifty-six million, seven hundred twelve thousand, two hundred fifty-nine".