51453132 has 48 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 16744000.

The previous prime is 51453113. The next prime is 51453167. The reversal of 51453132 is 23135415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111382 + ... + 111842.

It is an arithmetic number, because the mean of its divisors is an integer number (2561328).

Almost surely, 2^51453132 is an apocalyptic number.

It is an amenable number.

51453132 is an abundant number, since it is smaller than the sum of its proper divisors (71490612).

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

51453132 is a wasteful number, since it uses less digits than its factorization.

51453132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 51453132 is about 7173.0838556370. The cubic root of 51453132 is about 371.9380461053.

Adding to 51453132 its reverse (23135415), we get a palindrome (74588547).

The spelling of 51453132 in words is "fifty-one million, four hundred fifty-three thousand, one hundred thirty-two".