51748932 has 48 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 16260768.

The previous prime is 51748891. The next prime is 51748937. The reversal of 51748932 is 23984715.

It is not an unprimeable number, because it can be changed into a prime (51748937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59533 + ... + 60395.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^51748932 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 51748932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

51748932 is an abundant number, since it is smaller than the sum of its proper divisors (75984828).

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

51748932 is a wasteful number, since it uses less digits than its factorization.

51748932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1150 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 51748932 is about 7193.6730534547. The cubic root of 51748932 is about 372.6494321107.

The spelling of 51748932 in words is "fifty-one million, seven hundred forty-eight thousand, nine hundred thirty-two".