51132276 has 96 divisors (see below), whose sum is σ = 144883200. Its totient is φ = 15500160.

The previous prime is 51132271. The next prime is 51132293. The reversal of 51132276 is 67223115.

It is a happy number.

51132276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51132276² = 5229019297880352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110686 + ... + 111146.

It is an arithmetic number, because the mean of its divisors is an integer number (1509200).

Almost surely, 2^51132276 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 51132276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72441600).

51132276 is an abundant number, since it is smaller than the sum of its proper divisors (93750924).

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

51132276 is a wasteful number, since it uses less digits than its factorization.

51132276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 558 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 51132276 is about 7150.6836036843. The cubic root of 51132276 is about 371.1633120727.

The spelling of 51132276 in words is "fifty-one million, one hundred thirty-two thousand, two hundred seventy-six".