56801263 has 4 divisors (see below), whose sum is σ = 57129768. Its totient is φ = 56472760.

The previous prime is 56801243. The next prime is 56801281. The reversal of 56801263 is 36210865.

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 56801263 - 2⁵ = 56801231 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56801243) 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, 163993 + ... + 164338.

It is an arithmetic number, because the mean of its divisors is an integer number (14282442).

Almost surely, 2^56801263 is an apocalyptic number.

56801263 is a deficient number, since it is larger than the sum of its proper divisors (328505).

56801263 is a wasteful number, since it uses less digits than its factorization.

56801263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328504.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56801263 is about 7536.6612634508. The cubic root of 56801263 is about 384.4023176918.

The spelling of 56801263 in words is "fifty-six million, eight hundred one thousand, two hundred sixty-three".