51143132 has 24 divisors (see below), whose sum is σ = 91452480. Its totient is φ = 25018560.

The previous prime is 51143119. The next prime is 51143137. The reversal of 51143132 is 23134115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51143137) 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, 57878 + ... + 58754.

It is an arithmetic number, because the mean of its divisors is an integer number (3810520).

Almost surely, 2^51143132 is an apocalyptic number.

It is an amenable number.

51143132 is a deficient number, since it is larger than the sum of its proper divisors (40309348).

51143132 is a wasteful number, since it uses less digits than its factorization.

51143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1179 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 51143132 is about 7151.4426516613. The cubic root of 51143132 is about 371.1895776992.

Adding to 51143132 its reverse (23134115), we get a palindrome (74277247).

The spelling of 51143132 in words is "fifty-one million, one hundred forty-three thousand, one hundred thirty-two".