51484130 has 16 divisors (see below), whose sum is σ = 92756664. Its totient is φ = 20574720.

The previous prime is 51484123. The next prime is 51484157. The reversal of 51484130 is 3148415.

It can be written as a sum of positive squares in 4 ways, for example, as 49378729 + 2105401 = 7027^2 + 1451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51484130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15410 + ... + 18450.

Almost surely, 2^51484130 is an apocalyptic number.

51484130 is a deficient number, since it is larger than the sum of its proper divisors (41272534).

51484130 is a wasteful number, since it uses less digits than its factorization.

51484130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 51484130 is about 7175.2442467138. The cubic root of 51484130 is about 372.0127226157.

The spelling of 51484130 in words is "fifty-one million, four hundred eighty-four thousand, one hundred thirty".