51150132 has 72 divisors (see below), whose sum is σ = 144904032. Its totient is φ = 15076800.

The previous prime is 51150131. The next prime is 51150133. The reversal of 51150132 is 23105115.

51150132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51150131) and next prime (51150133).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150131) 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 23 ways as a sum of consecutive naturals, for example, 12907 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (2012556).

Almost surely, 2^51150132 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 51150132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72452016).

51150132 is an abundant number, since it is smaller than the sum of its proper divisors (93753900).

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

51150132 is a wasteful number, since it uses less digits than its factorization.

51150132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51150132 is about 7151.9320466570. The cubic root of 51150132 is about 371.2065119281.

Adding to 51150132 its reverse (23105115), we get a palindrome (74255247).

The spelling of 51150132 in words is "fifty-one million, one hundred fifty thousand, one hundred thirty-two".