56477238 has 8 divisors (see below), whose sum is σ = 112954488. Its totient is φ = 18825744.

The previous prime is 56477227. The next prime is 56477243. The reversal of 56477238 is 83277465.

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

56477238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 56477238.

It is a congruent number.

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, 4706431 + ... + 4706442.

It is an arithmetic number, because the mean of its divisors is an integer number (14119311).

Almost surely, 2^56477238 is an apocalyptic number.

56477238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56477238 is a wasteful number, since it uses less digits than its factorization.

56477238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412878.

The product of its digits is 282240, while the sum is 42.

The square root of 56477238 is about 7515.1339309423. The cubic root of 56477238 is about 383.6699774079.

The spelling of 56477238 in words is "fifty-six million, four hundred seventy-seven thousand, two hundred thirty-eight".