51238382 has 16 divisors (see below), whose sum is σ = 82896912. Its totient is φ = 23612160.

The previous prime is 51238379. The next prime is 51238399. The reversal of 51238382 is 28383215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23582 + ... + 25662.

It is an arithmetic number, because the mean of its divisors is an integer number (5181057).

Almost surely, 2^51238382 is an apocalyptic number.

51238382 is a deficient number, since it is larger than the sum of its proper divisors (31658530).

51238382 is a wasteful number, since it uses less digits than its factorization.

51238382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its digits is 11520, while the sum is 32.

The square root of 51238382 is about 7158.0990493287. The cubic root of 51238382 is about 371.4198717743.

The spelling of 51238382 in words is "fifty-one million, two hundred thirty-eight thousand, three hundred eighty-two".