56253739 has 2 divisors, whose sum is σ = 56253740. Its totient is φ = 56253738.

The previous prime is 56253719. The next prime is 56253749. The reversal of 56253739 is 93735265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56253739 - 2⁷ = 56253611 is a prime.

It is not a weakly prime, because it can be changed into another prime (56253719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28126869 + 28126870.

It is an arithmetic number, because the mean of its divisors is an integer number (28126870).

Almost surely, 2^56253739 is an apocalyptic number.

56253739 is a deficient number, since it is larger than the sum of its proper divisors (1).

56253739 is an equidigital number, since it uses as much as digits as its factorization.

56253739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 40.

The square root of 56253739 is about 7500.2492625245. The cubic root of 56253739 is about 383.1632055819.

The spelling of 56253739 in words is "fifty-six million, two hundred fifty-three thousand, seven hundred thirty-nine".