51838132 has 6 divisors (see below), whose sum is σ = 90716738. Its totient is φ = 25919064.

The previous prime is 51838123. The next prime is 51838181. The reversal of 51838132 is 23183815.

It can be written as a sum of positive squares in only one way, i.e., 47692836 + 4145296 = 6906^2 + 2036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51838094 and 51838103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479763 + ... + 6479770.

Almost surely, 2^51838132 is an apocalyptic number.

It is an amenable number.

51838132 is a deficient number, since it is larger than the sum of its proper divisors (38878606).

51838132 is a wasteful number, since it uses less digits than its factorization.

51838132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959537 (or 12959535 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 51838132 is about 7199.8702766092. The cubic root of 51838132 is about 372.8634220262.

It can be divided in two parts, 5183813 and 2, that added together give a palindrome (5183815).

The spelling of 51838132 in words is "fifty-one million, eight hundred thirty-eight thousand, one hundred thirty-two".