51652832 has 48 divisors (see below), whose sum is σ = 126790272. Its totient is φ = 20123520.

The previous prime is 51652831. The next prime is 51652873. The reversal of 51652832 is 23825615.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51652831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8018 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (2641464).

Almost surely, 2^51652832 is an apocalyptic number.

It is an amenable number.

51652832 is an abundant number, since it is smaller than the sum of its proper divisors (75137440).

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

51652832 is a wasteful number, since it uses less digits than its factorization.

51652832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20983 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 51652832 is about 7186.9904688959. The cubic root of 51652832 is about 372.4186138127.

It can be divided in two parts, 5165 and 2832, that added together give a palindrome (7997).

The spelling of 51652832 in words is "fifty-one million, six hundred fifty-two thousand, eight hundred thirty-two".