56347799 has 4 divisors (see below), whose sum is σ = 56905800. Its totient is φ = 55789800.

The previous prime is 56347763. The next prime is 56347807. The reversal of 56347799 is 99774365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56347799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56347729) 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, 278849 + ... + 279050.

It is an arithmetic number, because the mean of its divisors is an integer number (14226450).

Almost surely, 2^56347799 is an apocalyptic number.

56347799 is a deficient number, since it is larger than the sum of its proper divisors (558001).

56347799 is a wasteful number, since it uses less digits than its factorization.

56347799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558000.

The product of its digits is 1428840, while the sum is 50.

The square root of 56347799 is about 7506.5171018256. The cubic root of 56347799 is about 383.3766448016.

The spelling of 56347799 in words is "fifty-six million, three hundred forty-seven thousand, seven hundred ninety-nine".