51040132 has 24 divisors (see below), whose sum is σ = 104936832. Its totient is φ = 21415200.

The previous prime is 51040127. The next prime is 51040141. The reversal of 51040132 is 23104015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44044 + ... + 45187.

It is an arithmetic number, because the mean of its divisors is an integer number (4372368).

Almost surely, 2^51040132 is an apocalyptic number.

51040132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51040132 is an abundant number, since it is smaller than the sum of its proper divisors (53896700).

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

51040132 is a wasteful number, since it uses less digits than its factorization.

51040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89259 (or 89257 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51040132 is about 7144.2376780172. The cubic root of 51040132 is about 370.9402237784.

Adding to 51040132 its reverse (23104015), we get a palindrome (74144147).

It can be divided in two parts, 5104013 and 2, that added together give a palindrome (5104015).

The spelling of 51040132 in words is "fifty-one million, forty thousand, one hundred thirty-two".