56819306 has 8 divisors (see below), whose sum is σ = 85336740. Its totient is φ = 28373728.

The previous prime is 56819303. The next prime is 56819327. The reversal of 56819306 is 60391865.

It can be written as a sum of positive squares in 2 ways, for example, as 55279225 + 1540081 = 7435^2 + 1241^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56819306.

It is not an unprimeable number, because it can be changed into a prime (56819303) 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, 15941 + ... + 19176.

Almost surely, 2^56819306 is an apocalyptic number.

56819306 is a deficient number, since it is larger than the sum of its proper divisors (28517434).

56819306 is a wasteful number, since it uses less digits than its factorization.

56819306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35928.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 56819306 is about 7537.8581838610. The cubic root of 56819306 is about 384.4430153594.

The spelling of 56819306 in words is "fifty-six million, eight hundred nineteen thousand, three hundred six".