56759939 has 2 divisors, whose sum is σ = 56759940. Its totient is φ = 56759938.

The previous prime is 56759933. The next prime is 56759953. The reversal of 56759939 is 93995765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56759939 - 2¹⁶ = 56694403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56759933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28379969 + 28379970.

It is an arithmetic number, because the mean of its divisors is an integer number (28379970).

Almost surely, 2^56759939 is an apocalyptic number.

56759939 is a deficient number, since it is larger than the sum of its proper divisors (1).

56759939 is an equidigital number, since it uses as much as digits as its factorization.

56759939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 53.

The square root of 56759939 is about 7533.9192323783. The cubic root of 56759939 is about 384.3090750753.

It can be divided in two parts, 567 and 59939, that added together give a palindrome (60506).

The spelling of 56759939 in words is "fifty-six million, seven hundred fifty-nine thousand, nine hundred thirty-nine".