51360418 has 4 divisors (see below), whose sum is σ = 77040630. Its totient is φ = 25680208.

The previous prime is 51360377. The next prime is 51360427. The reversal of 51360418 is 81406315.

51360418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32982049 + 18378369 = 5743^2 + 4287^2 .

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 as a sum of consecutive naturals, namely, 12840103 + ... + 12840106.

Almost surely, 2^51360418 is an apocalyptic number.

51360418 is a deficient number, since it is larger than the sum of its proper divisors (25680212).

51360418 is a wasteful number, since it uses less digits than its factorization.

51360418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25680211.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 51360418 is about 7166.6183099144. The cubic root of 51360418 is about 371.7145119509.

The spelling of 51360418 in words is "fifty-one million, three hundred sixty thousand, four hundred eighteen".