56790278 has 8 divisors (see below), whose sum is σ = 89668920. Its totient is φ = 26900640.

The previous prime is 56790271. The next prime is 56790281. The reversal of 56790278 is 87209765.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56790271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747203 + ... + 747278.

It is an arithmetic number, because the mean of its divisors is an integer number (11208615).

Almost surely, 2^56790278 is an apocalyptic number.

56790278 is a deficient number, since it is larger than the sum of its proper divisors (32878642).

56790278 is a wasteful number, since it uses less digits than its factorization.

56790278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494502.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 56790278 is about 7535.9324572345. The cubic root of 56790278 is about 384.3775357799.

The spelling of 56790278 in words is "fifty-six million, seven hundred ninety thousand, two hundred seventy-eight".