51360132 has 12 divisors (see below), whose sum is σ = 119840336. Its totient is φ = 17120040.

The previous prime is 51360121. The next prime is 51360157. The reversal of 51360132 is 23106315.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51360099 and 51360108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139994 + ... + 2140017.

Almost surely, 2^51360132 is an apocalyptic number.

It is an amenable number.

51360132 is an abundant number, since it is smaller than the sum of its proper divisors (68480204).

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

51360132 is a wasteful number, since it uses less digits than its factorization.

51360132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280018 (or 4280016 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51360132 is about 7166.5983562636. The cubic root of 51360132 is about 371.7138219867.

Adding to 51360132 its reverse (23106315), we get a palindrome (74466447).

The spelling of 51360132 in words is "fifty-one million, three hundred sixty thousand, one hundred thirty-two".