51860418 has 16 divisors (see below), whose sum is σ = 104038176. Its totient is φ = 17233920.

The previous prime is 51860401. The next prime is 51860437. The reversal of 51860418 is 81406815.

51860418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 11071 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (6502386).

Almost surely, 2^51860418 is an apocalyptic number.

51860418 is an abundant number, since it is smaller than the sum of its proper divisors (52177758).

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

51860418 is a wasteful number, since it uses less digits than its factorization.

51860418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26449.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51860418 is about 7201.4177770770. The cubic root of 51860418 is about 372.9168475862.

The spelling of 51860418 in words is "fifty-one million, eight hundred sixty thousand, four hundred eighteen".