51200132 has 12 divisors (see below), whose sum is σ = 90488076. Its totient is φ = 25346400.

The previous prime is 51200129. The next prime is 51200147. The reversal of 51200132 is 23100215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36192256 + 15007876 = 6016^2 + 3874^2 .

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, 62963 + ... + 63770.

It is an arithmetic number, because the mean of its divisors is an integer number (7540673).

Almost surely, 2^51200132 is an apocalyptic number.

It is an amenable number.

51200132 is a deficient number, since it is larger than the sum of its proper divisors (39287944).

51200132 is a wasteful number, since it uses less digits than its factorization.

51200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126838 (or 126836 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51200132 is about 7155.4267517738. The cubic root of 51200132 is about 371.3274257980.

Adding to 51200132 its reverse (23100215), we get a palindrome (74300347).

The spelling of 51200132 in words is "fifty-one million, two hundred thousand, one hundred thirty-two".