56403201 has 4 divisors (see below), whose sum is σ = 75204272. Its totient is φ = 37602132.

The previous prime is 56403169. The next prime is 56403239. The reversal of 56403201 is 10230465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56403201 - 2⁵ = 56403169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56403241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9400531 + ... + 9400536.

It is an arithmetic number, because the mean of its divisors is an integer number (18801068).

Almost surely, 2^56403201 is an apocalyptic number.

It is an amenable number.

56403201 is a deficient number, since it is larger than the sum of its proper divisors (18801071).

56403201 is a wasteful number, since it uses less digits than its factorization.

56403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801070.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 56403201 is about 7510.2064552181. The cubic root of 56403201 is about 383.5022508646.

Adding to 56403201 its reverse (10230465), we get a palindrome (66633666).

The spelling of 56403201 in words is "fifty-six million, four hundred three thousand, two hundred one".