51885324 has 18 divisors (see below), whose sum is σ = 131154660. Its totient is φ = 17295096.

The previous prime is 51885313. The next prime is 51885373. The reversal of 51885324 is 42358815.

It is a happy number.

51885324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1441259 = 51885324 / (5 + 1 + 8 + 8 + 5 + 3 + 2 + 4).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 720594 + ... + 720665.

It is an arithmetic number, because the mean of its divisors is an integer number (7286370).

Almost surely, 2^51885324 is an apocalyptic number.

It is an amenable number.

51885324 is an abundant number, since it is smaller than the sum of its proper divisors (79269336).

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

51885324 is a wasteful number, since it uses less digits than its factorization.

51885324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441269 (or 1441264 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 51885324 is about 7203.1468123314. The cubic root of 51885324 is about 372.9765358862.

The spelling of 51885324 in words is "fifty-one million, eight hundred eighty-five thousand, three hundred twenty-four".