51332278 has 8 divisors (see below), whose sum is σ = 77283360. Its totient is φ = 25571160.

The previous prime is 51332273. The next prime is 51332279. The reversal of 51332278 is 87223315.

51332278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51332273) 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 3 ways as a sum of consecutive naturals, for example, 46813 + ... + 47896.

It is an arithmetic number, because the mean of its divisors is an integer number (9660420).

Almost surely, 2^51332278 is an apocalyptic number.

51332278 is a deficient number, since it is larger than the sum of its proper divisors (25951082).

51332278 is a wasteful number, since it uses less digits than its factorization.

51332278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94982.

The product of its digits is 10080, while the sum is 31.

The square root of 51332278 is about 7164.6547718644. The cubic root of 51332278 is about 371.6466129885.

The spelling of 51332278 in words is "fifty-one million, three hundred thirty-two thousand, two hundred seventy-eight".