56228399 has 8 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 53457976.

The previous prime is 56228383. The next prime is 56228411. The reversal of 56228399 is 99382265.

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 56228399 - 2⁴ = 56228383 is a prime.

It is a super-3 number, since 3×56228399³ (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 (56228369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3479 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (7378560).

Almost surely, 2^56228399 is an apocalyptic number.

56228399 is a deficient number, since it is larger than the sum of its proper divisors (2800081).

56228399 is a wasteful number, since it uses less digits than its factorization.

56228399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829.

The product of its digits is 233280, while the sum is 44.

The square root of 56228399 is about 7498.5597950540. The cubic root of 56228399 is about 383.1056638430.

The spelling of 56228399 in words is "fifty-six million, two hundred twenty-eight thousand, three hundred ninety-nine".