56071979 has 2 divisors, whose sum is σ = 56071980. Its totient is φ = 56071978.

The previous prime is 56071937. The next prime is 56071991. The reversal of 56071979 is 97917065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56071979 - 2¹² = 56067883 is a prime.

It is not a weakly prime, because it can be changed into another prime (56071879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035989 + 28035990.

It is an arithmetic number, because the mean of its divisors is an integer number (28035990).

Almost surely, 2^56071979 is an apocalyptic number.

56071979 is a deficient number, since it is larger than the sum of its proper divisors (1).

56071979 is an equidigital number, since it uses as much as digits as its factorization.

56071979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 56071979 is about 7488.1225283779. The cubic root of 56071979 is about 382.7500840813.

The spelling of 56071979 in words is "fifty-six million, seventy-one thousand, nine hundred seventy-nine".