56024989 has 2 divisors, whose sum is σ = 56024990. Its totient is φ = 56024988.

The previous prime is 56024981. The next prime is 56024999. The reversal of 56024989 is 98942065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55621764 + 403225 = 7458^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 56024989 - 2³ = 56024981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56024981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28012494 + 28012495.

It is an arithmetic number, because the mean of its divisors is an integer number (28012495).

Almost surely, 2^56024989 is an apocalyptic number.

It is an amenable number.

56024989 is a deficient number, since it is larger than the sum of its proper divisors (1).

56024989 is an equidigital number, since it uses as much as digits as its factorization.

56024989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 56024989 is about 7484.9842351203. The cubic root of 56024989 is about 382.6431355173.

The spelling of 56024989 in words is "fifty-six million, twenty-four thousand, nine hundred eighty-nine".