56306865 has 8 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 30030320.

The previous prime is 56306857. The next prime is 56306879. The reversal of 56306865 is 56860365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56306865 - 2³ = 56306857 is a prime.

It is a super-2 number, since 2×56306865² = 6340926092256450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876881 + ... + 1876910.

It is an arithmetic number, because the mean of its divisors is an integer number (11261376).

Almost surely, 2^56306865 is an apocalyptic number.

It is an amenable number.

56306865 is a deficient number, since it is larger than the sum of its proper divisors (33784143).

56306865 is a wasteful number, since it uses less digits than its factorization.

56306865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753799.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56306865 is about 7503.7900423719. The cubic root of 56306865 is about 383.2837873372.

The spelling of 56306865 in words is "fifty-six million, three hundred six thousand, eight hundred sixty-five".