51324132 has 24 divisors (see below), whose sum is σ = 124963776. Its totient is φ = 16364128.

The previous prime is 51324121. The next prime is 51324151. The reversal of 51324132 is 23142315.

It is a junction number, because it is equal to n+sod(n) for n = 51324099 and 51324108.

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, 92703 + ... + 93254.

It is an arithmetic number, because the mean of its divisors is an integer number (5206824).

Almost surely, 2^51324132 is an apocalyptic number.

It is an amenable number.

51324132 is an abundant number, since it is smaller than the sum of its proper divisors (73639644).

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

51324132 is a wasteful number, since it uses less digits than its factorization.

51324132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185987 (or 185985 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 51324132 is about 7164.0862641372. The cubic root of 51324132 is about 371.6269528865.

Adding to 51324132 its reverse (23142315), we get a palindrome (74466447).

The spelling of 51324132 in words is "fifty-one million, three hundred twenty-four thousand, one hundred thirty-two".