56801017 has 16 divisors (see below), whose sum is σ = 70116480. Its totient is φ = 44808192.

The previous prime is 56801009. The next prime is 56801023. The reversal of 56801017 is 71010865.

It is a happy number.

It is not a de Polignac number, because 56801017 - 2³ = 56801009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56801417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39609 + ... + 41017.

It is an arithmetic number, because the mean of its divisors is an integer number (4382280).

Almost surely, 2^56801017 is an apocalyptic number.

It is an amenable number.

56801017 is a deficient number, since it is larger than the sum of its proper divisors (13315463).

56801017 is a wasteful number, since it uses less digits than its factorization.

56801017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 56801017 is about 7536.6449432091. The cubic root of 56801017 is about 384.4017627564.

The spelling of 56801017 in words is "fifty-six million, eight hundred one thousand, seventeen".