56442001 has 16 divisors (see below), whose sum is σ = 70686720. Its totient is φ = 43782480.

The previous prime is 56441993. The next prime is 56442011. The reversal of 56442001 is 10024465.

It is not a de Polignac number, because 56442001 - 2³ = 56441993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56442011) 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, 16870 + ... + 19936.

It is an arithmetic number, because the mean of its divisors is an integer number (4417920).

Almost surely, 2^56442001 is an apocalyptic number.

It is an amenable number.

56442001 is a deficient number, since it is larger than the sum of its proper divisors (14244719).

56442001 is a wasteful number, since it uses less digits than its factorization.

56442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 56442001 is about 7512.7891624882. The cubic root of 56442001 is about 383.5901683137.

Adding to 56442001 its reverse (10024465), we get a palindrome (66466466).

The spelling of 56442001 in words is "fifty-six million, four hundred forty-two thousand, one".