53451132 has 48 divisors (see below), whose sum is σ = 143200512. Its totient is φ = 15200640.

The previous prime is 53451127. The next prime is 53451169. The reversal of 53451132 is 23115435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18207 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (2983344).

Almost surely, 2^53451132 is an apocalyptic number.

It is an amenable number.

53451132 is an abundant number, since it is smaller than the sum of its proper divisors (89749380).

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

53451132 is a wasteful number, since it uses less digits than its factorization.

53451132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

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

The square root of 53451132 is about 7311.0281082759. The cubic root of 53451132 is about 376.6913397400.

Adding to 53451132 its reverse (23115435), we get a palindrome (76566567).

The spelling of 53451132 in words is "fifty-three million, four hundred fifty-one thousand, one hundred thirty-two".