56228999 has 24 divisors (see below), whose sum is σ = 63367920. Its totient is φ = 49795200.

The previous prime is 56228983. The next prime is 56229031. The reversal of 56228999 is 99982265.

It is a happy number.

It is not a de Polignac number, because 56228999 - 2⁴ = 56228983 is a prime.

It is a super-3 number, since 3×56228999³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429164 + ... + 429294.

It is an arithmetic number, because the mean of its divisors is an integer number (2640330).

Almost surely, 2^56228999 is an apocalyptic number.

56228999 is a deficient number, since it is larger than the sum of its proper divisors (7138921).

56228999 is a wasteful number, since it uses less digits than its factorization.

56228999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 220 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 56228999 is about 7498.5998026298. The cubic root of 56228999 is about 383.1070265149.

The spelling of 56228999 in words is "fifty-six million, two hundred twenty-eight thousand, nine hundred ninety-nine".