51232752 has 30 divisors (see below), whose sum is σ = 143380952. Its totient is φ = 17077536.

The previous prime is 51232751. The next prime is 51232771. The reversal of 51232752 is 25723215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177748 + ... + 178035.

Almost surely, 2^51232752 is an apocalyptic number.

It is an amenable number.

51232752 is an abundant number, since it is smaller than the sum of its proper divisors (92148200).

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

51232752 is a wasteful number, since it uses less digits than its factorization.

51232752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355797 (or 355788 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 51232752 is about 7157.7057776916. The cubic root of 51232752 is about 371.4062675815.

Adding to 51232752 its reverse (25723215), we get a palindrome (76955967).

It can be divided in two parts, 51232 and 752, that added together give a square (51984 = 228²).

The spelling of 51232752 in words is "fifty-one million, two hundred thirty-two thousand, seven hundred fifty-two".