51522132 has 24 divisors (see below), whose sum is σ = 121460416. Its totient is φ = 16996608.

The previous prime is 51522101. The next prime is 51522137. The reversal of 51522132 is 23122515.

It is a junction number, because it is equal to n+sod(n) for n = 51522099 and 51522108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51522137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20968 + ... + 23295.

Almost surely, 2^51522132 is an apocalyptic number.

It is an amenable number.

51522132 is an abundant number, since it is smaller than the sum of its proper divisors (69938284).

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

51522132 is a wasteful number, since it uses less digits than its factorization.

51522132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44367 (or 44365 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 51522132 is about 7177.8918910778. The cubic root of 51522132 is about 372.1042314006.

Adding to 51522132 its reverse (23122515), we get a palindrome (74644647).

The spelling of 51522132 in words is "fifty-one million, five hundred twenty-two thousand, one hundred thirty-two".