56450657 has 2 divisors, whose sum is σ = 56450658. Its totient is φ = 56450656.

The previous prime is 56450593. The next prime is 56450663. The reversal of 56450657 is 75605465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30481441 + 25969216 = 5521^2 + 5096^2 .

It is a cyclic number.

It is not a de Polignac number, because 56450657 - 2⁶ = 56450593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56450657.

It is not a weakly prime, because it can be changed into another prime (56450677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28225328 + 28225329.

It is an arithmetic number, because the mean of its divisors is an integer number (28225329).

Almost surely, 2^56450657 is an apocalyptic number.

It is an amenable number.

56450657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56450657 is an equidigital number, since it uses as much as digits as its factorization.

56450657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 56450657 is about 7513.3652247179. The cubic root of 56450657 is about 383.6097765647.

The spelling of 56450657 in words is "fifty-six million, four hundred fifty thousand, six hundred fifty-seven".