51303478 has 12 divisors (see below), whose sum is σ = 80448228. Its totient is φ = 24535940.

The previous prime is 51303457. The next prime is 51303479. The reversal of 51303478 is 87430315.

51303478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51303479) 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 5 ways as a sum of consecutive naturals, for example, 23188 + ... + 25303.

It is an arithmetic number, because the mean of its divisors is an integer number (6704019).

Almost surely, 2^51303478 is an apocalyptic number.

51303478 is a deficient number, since it is larger than the sum of its proper divisors (29144750).

51303478 is a wasteful number, since it uses less digits than its factorization.

51303478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48539 (or 48516 counting only the distinct ones).

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

The square root of 51303478 is about 7162.6446233218. The cubic root of 51303478 is about 371.5770958139.

The spelling of 51303478 in words is "fifty-one million, three hundred three thousand, four hundred seventy-eight".