51404255 has 16 divisors (see below), whose sum is σ = 70977600. Its totient is φ = 35008512.

The previous prime is 51404251. The next prime is 51404267. The reversal of 51404255 is 55240415.

It is not a de Polignac number, because 51404255 - 2² = 51404251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51404251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (4436100).

Almost surely, 2^51404255 is an apocalyptic number.

51404255 is a deficient number, since it is larger than the sum of its proper divisors (19573345).

51404255 is a wasteful number, since it uses less digits than its factorization.

51404255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51404255 is about 7169.6760735754. The cubic root of 51404255 is about 371.8202367867.

The spelling of 51404255 in words is "fifty-one million, four hundred four thousand, two hundred fifty-five".