56299949 has 2 divisors, whose sum is σ = 56299950. Its totient is φ = 56299948.

The previous prime is 56299931. The next prime is 56299951. The reversal of 56299949 is 94999265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55502500 + 797449 = 7450^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 56299949 - 2⁸ = 56299693 is a prime.

Together with 56299951, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56299949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56299349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28149974 + 28149975.

It is an arithmetic number, because the mean of its divisors is an integer number (28149975).

Almost surely, 2^56299949 is an apocalyptic number.

It is an amenable number.

56299949 is a deficient number, since it is larger than the sum of its proper divisors (1).

56299949 is an equidigital number, since it uses as much as digits as its factorization.

56299949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 53.

The square root of 56299949 is about 7503.3291944310. The cubic root of 56299949 is about 383.2680941696.

The spelling of 56299949 in words is "fifty-six million, two hundred ninety-nine thousand, nine hundred forty-nine".