51296255 has 4 divisors (see below), whose sum is σ = 61555512. Its totient is φ = 41037000.

The previous prime is 51296251. The next prime is 51296261. The reversal of 51296255 is 55269215.

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

It is not a de Polignac number, because 51296255 - 2² = 51296251 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 (51296251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129621 + ... + 5129630.

It is an arithmetic number, because the mean of its divisors is an integer number (15388878).

Almost surely, 2^51296255 is an apocalyptic number.

51296255 is a deficient number, since it is larger than the sum of its proper divisors (10259257).

51296255 is a wasteful number, since it uses less digits than its factorization.

51296255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259256.

The product of its digits is 27000, while the sum is 35.

The square root of 51296255 is about 7162.1403923688. The cubic root of 51296255 is about 371.5596569226.

The spelling of 51296255 in words is "fifty-one million, two hundred ninety-six thousand, two hundred fifty-five".