56251001 has 8 divisors (see below), whose sum is σ = 59292000. Its totient is φ = 53218080.

The previous prime is 56250991. The next prime is 56251033. The reversal of 56251001 is 10015265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56251001 - 2¹⁴ = 56234617 is a prime.

It is a super-2 number, since 2×56251001² = 6328350227004002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56251301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16925 + ... + 19973.

It is an arithmetic number, because the mean of its divisors is an integer number (7411500).

Almost surely, 2^56251001 is an apocalyptic number.

It is an amenable number.

56251001 is a deficient number, since it is larger than the sum of its proper divisors (3040999).

56251001 is a wasteful number, since it uses less digits than its factorization.

56251001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56251001 is about 7500.0667330364. The cubic root of 56251001 is about 383.1569890003.

Adding to 56251001 its reverse (10015265), we get a palindrome (66266266).

The spelling of 56251001 in words is "fifty-six million, two hundred fifty-one thousand, one".