56809738 has 8 divisors (see below), whose sum is σ = 85737888. Its totient is φ = 28230444.

The previous prime is 56809729. The next prime is 56809757. The reversal of 56809738 is 83790865.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86806 + ... + 87457.

It is an arithmetic number, because the mean of its divisors is an integer number (10717236).

Almost surely, 2^56809738 is an apocalyptic number.

56809738 is a deficient number, since it is larger than the sum of its proper divisors (28928150).

56809738 is a wasteful number, since it uses less digits than its factorization.

56809738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174428.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 56809738 is about 7537.2234940991. The cubic root of 56809738 is about 384.4214349172.

The spelling of 56809738 in words is "fifty-six million, eight hundred nine thousand, seven hundred thirty-eight".