56065730 has 32 divisors (see below), whose sum is σ = 118457856. Its totient is φ = 18702144.

The previous prime is 56065727. The next prime is 56065739. The reversal of 56065730 is 3756065.

It is not an unprimeable number, because it can be changed into a prime (56065739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8234 + ... + 13413.

It is an arithmetic number, because the mean of its divisors is an integer number (3701808).

Almost surely, 2^56065730 is an apocalyptic number.

56065730 is an abundant number, since it is smaller than the sum of its proper divisors (62392126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56065730 is a wasteful number, since it uses less digits than its factorization.

56065730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 56065730 is about 7487.7052559513. The cubic root of 56065730 is about 382.7358648927.

The spelling of 56065730 in words is "fifty-six million, sixty-five thousand, seven hundred thirty".