56005238 has 4 divisors (see below), whose sum is σ = 84007860. Its totient is φ = 28002618.

The previous prime is 56005237. The next prime is 56005273. The reversal of 56005238 is 83250065.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56005238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14001308 + ... + 14001311.

It is an arithmetic number, because the mean of its divisors is an integer number (21001965).

Almost surely, 2^56005238 is an apocalyptic number.

56005238 is a deficient number, since it is larger than the sum of its proper divisors (28002622).

56005238 is a wasteful number, since it uses less digits than its factorization.

56005238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28002621.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56005238 is about 7483.6647439607. The cubic root of 56005238 is about 382.5981646749.

The spelling of 56005238 in words is "fifty-six million, five thousand, two hundred thirty-eight".