51530882 has 16 divisors (see below), whose sum is σ = 84248640. Its totient is φ = 23495952.

The previous prime is 51530867. The next prime is 51530887. The reversal of 51530882 is 28803515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51530887) 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, 9782 + ... + 14097.

It is an arithmetic number, because the mean of its divisors is an integer number (5265540).

Almost surely, 2^51530882 is an apocalyptic number.

51530882 is a deficient number, since it is larger than the sum of its proper divisors (32717758).

51530882 is a wasteful number, since it uses less digits than its factorization.

51530882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23977.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 51530882 is about 7178.5013756354. The cubic root of 51530882 is about 372.1252950200.

The spelling of 51530882 in words is "fifty-one million, five hundred thirty thousand, eight hundred eighty-two".