51303006 has 24 divisors (see below), whose sum is σ = 112010184. Its totient is φ = 16969680.

The previous prime is 51302989. The next prime is 51303061. The reversal of 51303006 is 60030315.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51303006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8521 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (4667091).

Almost surely, 2^51303006 is an apocalyptic number.

51303006 is an abundant number, since it is smaller than the sum of its proper divisors (60707178).

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

51303006 is a wasteful number, since it uses less digits than its factorization.

51303006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21896 (or 21893 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 51303006 is about 7162.6116745221. The cubic root of 51303006 is about 371.5759562880.

The spelling of 51303006 in words is "fifty-one million, three hundred three thousand, six".