56047801 has 4 divisors (see below), whose sum is σ = 56073204. Its totient is φ = 56022400.

The previous prime is 56047769. The next prime is 56047843. The reversal of 56047801 is 10874065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20466576 + 35581225 = 4524^2 + 5965^2 .

It is a cyclic number.

It is not a de Polignac number, because 56047801 - 2⁵ = 56047769 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56047501) 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, 9040 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (14018301).

Almost surely, 2^56047801 is an apocalyptic number.

It is an amenable number.

56047801 is a deficient number, since it is larger than the sum of its proper divisors (25403).

56047801 is a wasteful number, since it uses less digits than its factorization.

56047801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25402.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 56047801 is about 7486.5079309382. The cubic root of 56047801 is about 382.6950627668.

The spelling of 56047801 in words is "fifty-six million, forty-seven thousand, eight hundred one".