51374932 has 36 divisors (see below), whose sum is σ = 106323924. Its totient is φ = 21651840.

The previous prime is 51374891. The next prime is 51374933. The reversal of 51374932 is 23947315.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 39513796 = 3444^2 + 6286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51374933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9808 + ... + 14104.

Almost surely, 2^51374932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51374932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53161962).

51374932 is an abundant number, since it is smaller than the sum of its proper divisors (54948992).

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

51374932 is a wasteful number, since it uses less digits than its factorization.

51374932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376 (or 4367 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 51374932 is about 7167.6308498694. The cubic root of 51374932 is about 371.7495230646.

The spelling of 51374932 in words is "fifty-one million, three hundred seventy-four thousand, nine hundred thirty-two".