56339779 has 4 divisors (see below), whose sum is σ = 58282560. Its totient is φ = 54397000.

The previous prime is 56339771. The next prime is 56339791. The reversal of 56339779 is 97793365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56339779 - 2³ = 56339771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56339771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971347 + ... + 971404.

It is an arithmetic number, because the mean of its divisors is an integer number (14570640).

Almost surely, 2^56339779 is an apocalyptic number.

56339779 is a deficient number, since it is larger than the sum of its proper divisors (1942781).

56339779 is a wasteful number, since it uses less digits than its factorization.

56339779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942780.

The product of its digits is 1071630, while the sum is 49.

The square root of 56339779 is about 7505.9828803429. The cubic root of 56339779 is about 383.3584552324.

The spelling of 56339779 in words is "fifty-six million, three hundred thirty-nine thousand, seven hundred seventy-nine".