56306331 has 12 divisors (see below), whose sum is σ = 82546152. Its totient is φ = 36976896.

The previous prime is 56306321. The next prime is 56306347. The reversal of 56306331 is 13360365.

It is not a de Polignac number, because 56306331 - 2⁷ = 56306203 is a prime.

It is a super-2 number, since 2×56306331² = 6340805821363122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56306295 and 56306304.

It is not an unprimeable number, because it can be changed into a prime (56306311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46086 + ... + 47291.

It is an arithmetic number, because the mean of its divisors is an integer number (6878846).

Almost surely, 2^56306331 is an apocalyptic number.

56306331 is a deficient number, since it is larger than the sum of its proper divisors (26239821).

56306331 is a wasteful number, since it uses less digits than its factorization.

56306331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93450 (or 93447 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 56306331 is about 7503.7544602685. The cubic root of 56306331 is about 383.2825756781.

Adding to 56306331 its reverse (13360365), we get a palindrome (69666696).

The spelling of 56306331 in words is "fifty-six million, three hundred six thousand, three hundred thirty-one".