51022132 has 18 divisors (see below), whose sum is σ = 103866882. Its totient is φ = 21866544.

The previous prime is 51022129. The next prime is 51022133. The reversal of 51022132 is 23122015.

It can be written as a sum of positive squares in only one way, i.e., 32307856 + 18714276 = 5684^2 + 4326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129963 + ... + 130354.

Almost surely, 2^51022132 is an apocalyptic number.

It is an amenable number.

51022132 is an abundant number, since it is smaller than the sum of its proper divisors (52844750).

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

51022132 is a wasteful number, since it uses less digits than its factorization.

51022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260335 (or 260326 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51022132 is about 7142.9778104093. The cubic root of 51022132 is about 370.8966129384.

Adding to 51022132 its reverse (23122015), we get a palindrome (74144147).

The spelling of 51022132 in words is "fifty-one million, twenty-two thousand, one hundred thirty-two".