51838892 has 24 divisors (see below), whose sum is σ = 107254560. Its totient is φ = 21450240.

The previous prime is 51838889. The next prime is 51838901. The reversal of 51838892 is 29883815.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31109 + ... + 32732.

It is an arithmetic number, because the mean of its divisors is an integer number (4468940).

Almost surely, 2^51838892 is an apocalyptic number.

It is an amenable number.

51838892 is an abundant number, since it is smaller than the sum of its proper divisors (55415668).

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

51838892 is a wasteful number, since it uses less digits than its factorization.

51838892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63881 (or 63879 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 51838892 is about 7199.9230551444. The cubic root of 51838892 is about 372.8652442035.

The spelling of 51838892 in words is "fifty-one million, eight hundred thirty-eight thousand, eight hundred ninety-two".