56228699 has 4 divisors (see below), whose sum is σ = 58042560. Its totient is φ = 54414840.

The previous prime is 56228693. The next prime is 56228701. The reversal of 56228699 is 99682265.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56228699 - 2⁸ = 56228443 is a prime.

It is a super-3 number, since 3×56228699³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56228693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906884 + ... + 906945.

It is an arithmetic number, because the mean of its divisors is an integer number (14510640).

Almost surely, 2^56228699 is an apocalyptic number.

56228699 is a deficient number, since it is larger than the sum of its proper divisors (1813861).

56228699 is a wasteful number, since it uses less digits than its factorization.

56228699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813860.

The product of its digits is 466560, while the sum is 47.

The square root of 56228699 is about 7498.5797988686. The cubic root of 56228699 is about 383.1063451802.

The spelling of 56228699 in words is "fifty-six million, two hundred twenty-eight thousand, six hundred ninety-nine".