51385382 has 32 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 24045120.

The previous prime is 51385379. The next prime is 51385417. The reversal of 51385382 is 28358315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258119 + ... + 258317.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^51385382 is an apocalyptic number.

51385382 is a deficient number, since it is larger than the sum of its proper divisors (30867418).

51385382 is a wasteful number, since it uses less digits than its factorization.

51385382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 28800, while the sum is 35.

The square root of 51385382 is about 7168.3597844974. The cubic root of 51385382 is about 371.7747267908.

The spelling of 51385382 in words is "fifty-one million, three hundred eighty-five thousand, three hundred eighty-two".