51752132 has 12 divisors (see below), whose sum is σ = 90620460. Its totient is φ = 25860576.

The previous prime is 51752101. The next prime is 51752147. The reversal of 51752132 is 23125715.

It can be written as a sum of positive squares in 2 ways, for example, as 21104836 + 30647296 = 4594^2 + 5536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7094 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (7551705).

Almost surely, 2^51752132 is an apocalyptic number.

It is an amenable number.

51752132 is a deficient number, since it is larger than the sum of its proper divisors (38868328).

51752132 is a wasteful number, since it uses less digits than its factorization.

51752132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7748 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 51752132 is about 7193.8954676865. The cubic root of 51752132 is about 372.6571131298.

Adding to 51752132 its reverse (23125715), we get a palindrome (74877847).

The spelling of 51752132 in words is "fifty-one million, seven hundred fifty-two thousand, one hundred thirty-two".