51106132 has 48 divisors (see below), whose sum is σ = 113081472. Its totient is φ = 19630080.

The previous prime is 51106117. The next prime is 51106141. The reversal of 51106132 is 23160115.

It is a super-2 number, since 2×51106132² = 5223673456002848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21348 + ... + 23620.

It is an arithmetic number, because the mean of its divisors is an integer number (2355864).

Almost surely, 2^51106132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51106132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56540736).

51106132 is an abundant number, since it is smaller than the sum of its proper divisors (61975340).

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

51106132 is a wasteful number, since it uses less digits than its factorization.

51106132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 51106132 is about 7148.8552929822. The cubic root of 51106132 is about 371.1000425250.

Adding to 51106132 its reverse (23160115), we get a palindrome (74266247).

The spelling of 51106132 in words is "fifty-one million, one hundred six thousand, one hundred thirty-two".