51823255 has 32 divisors (see below), whose sum is σ = 71912448. Its totient is φ = 35481600.

The previous prime is 51823253. The next prime is 51823271. The reversal of 51823255 is 55232815.

51823255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51823255 - 2¹ = 51823253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51823253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 89527 + ... + 90103.

It is an arithmetic number, because the mean of its divisors is an integer number (2247264).

Almost surely, 2^51823255 is an apocalyptic number.

51823255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51823255 is a deficient number, since it is larger than the sum of its proper divisors (20089193).

51823255 is a wasteful number, since it uses less digits than its factorization.

51823255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its digits is 12000, while the sum is 31.

The square root of 51823255 is about 7198.8370588589. The cubic root of 51823255 is about 372.8277493167.

The spelling of 51823255 in words is "fifty-one million, eight hundred twenty-three thousand, two hundred fifty-five".