56423278 has 8 divisors (see below), whose sum is σ = 88314768. Its totient is φ = 26985024.

The previous prime is 56423249. The next prime is 56423291. The reversal of 56423278 is 87232465.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613251 + ... + 613342.

It is an arithmetic number, because the mean of its divisors is an integer number (11039346).

Almost surely, 2^56423278 is an apocalyptic number.

56423278 is a deficient number, since it is larger than the sum of its proper divisors (31891490).

56423278 is a wasteful number, since it uses less digits than its factorization.

56423278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226618.

The product of its digits is 80640, while the sum is 37.

The square root of 56423278 is about 7511.5429839681. The cubic root of 56423278 is about 383.5477486447.

The spelling of 56423278 in words is "fifty-six million, four hundred twenty-three thousand, two hundred seventy-eight".