51804116 has 24 divisors (see below), whose sum is σ = 111578880. Its totient is φ = 20493792.

The previous prime is 51804097. The next prime is 51804139. The reversal of 51804116 is 61140815.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 70796 + ... + 71523.

It is an arithmetic number, because the mean of its divisors is an integer number (4649120).

Almost surely, 2^51804116 is an apocalyptic number.

It is an amenable number.

51804116 is an abundant number, since it is smaller than the sum of its proper divisors (59774764).

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

51804116 is a wasteful number, since it uses less digits than its factorization.

51804116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142343 (or 142341 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 51804116 is about 7197.5076241710. The cubic root of 51804116 is about 372.7818469582.

The spelling of 51804116 in words is "fifty-one million, eight hundred four thousand, one hundred sixteen".