56070517 has 2 divisors, whose sum is σ = 56070518. Its totient is φ = 56070516.

The previous prime is 56070457. The next prime is 56070523. The reversal of 56070517 is 71507065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53377636 + 2692881 = 7306^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 56070517 - 2¹⁵ = 56037749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56070557) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035258 + 28035259.

It is an arithmetic number, because the mean of its divisors is an integer number (28035259).

Almost surely, 2^56070517 is an apocalyptic number.

It is an amenable number.

56070517 is a deficient number, since it is larger than the sum of its proper divisors (1).

56070517 is an equidigital number, since it uses as much as digits as its factorization.

56070517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 56070517 is about 7488.0249064757. The cubic root of 56070517 is about 382.7467574911.

The spelling of 56070517 in words is "fifty-six million, seventy thousand, five hundred seventeen".