51658382 has 4 divisors (see below), whose sum is σ = 77487576. Its totient is φ = 25829190.

The previous prime is 51658381. The next prime is 51658403. The reversal of 51658382 is 28385615.

51658382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51658381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914594 + ... + 12914597.

It is an arithmetic number, because the mean of its divisors is an integer number (19371894).

Almost surely, 2^51658382 is an apocalyptic number.

51658382 is a deficient number, since it is larger than the sum of its proper divisors (25829194).

51658382 is a wasteful number, since it uses less digits than its factorization.

51658382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25829193.

The product of its digits is 57600, while the sum is 38.

The square root of 51658382 is about 7187.3765728533. The cubic root of 51658382 is about 372.4319518957.

The spelling of 51658382 in words is "fifty-one million, six hundred fifty-eight thousand, three hundred eighty-two".