56061517 has 2 divisors, whose sum is σ = 56061518. Its totient is φ = 56061516.

The previous prime is 56061497. The next prime is 56061541. The reversal of 56061517 is 71516065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38303721 + 17757796 = 6189^2 + 4214^2 .

It is a cyclic number.

It is not a de Polignac number, because 56061517 - 2⁷ = 56061389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56061587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030758 + 28030759.

It is an arithmetic number, because the mean of its divisors is an integer number (28030759).

Almost surely, 2^56061517 is an apocalyptic number.

It is an amenable number.

56061517 is a deficient number, since it is larger than the sum of its proper divisors (1).

56061517 is an equidigital number, since it uses as much as digits as its factorization.

56061517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 56061517 is about 7487.4239228188. The cubic root of 56061517 is about 382.7262778919.

The spelling of 56061517 in words is "fifty-six million, sixty-one thousand, five hundred seventeen".