56142577 has 2 divisors, whose sum is σ = 56142578. Its totient is φ = 56142576.

The previous prime is 56142553. The next prime is 56142589. The reversal of 56142577 is 77524165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 6355441 = 7056^2 + 2521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56142577 is a prime.

It is not a weakly prime, because it can be changed into another prime (56142547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28071288 + 28071289.

It is an arithmetic number, because the mean of its divisors is an integer number (28071289).

Almost surely, 2^56142577 is an apocalyptic number.

It is an amenable number.

56142577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56142577 is an equidigital number, since it uses as much as digits as its factorization.

56142577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 37.

The square root of 56142577 is about 7492.8350442273. The cubic root of 56142577 is about 382.9106518511.

The spelling of 56142577 in words is "fifty-six million, one hundred forty-two thousand, five hundred seventy-seven".