51276755 has 4 divisors (see below), whose sum is σ = 61532112. Its totient is φ = 41021400.

The previous prime is 51276751. The next prime is 51276779. The reversal of 51276755 is 55767215.

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

It is not a de Polignac number, because 51276755 - 2² = 51276751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51276751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127671 + ... + 5127680.

It is an arithmetic number, because the mean of its divisors is an integer number (15383028).

Almost surely, 2^51276755 is an apocalyptic number.

51276755 is a deficient number, since it is larger than the sum of its proper divisors (10255357).

51276755 is a wasteful number, since it uses less digits than its factorization.

51276755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255356.

The product of its digits is 73500, while the sum is 38.

The square root of 51276755 is about 7160.7789380765. The cubic root of 51276755 is about 371.5125688093.

The spelling of 51276755 in words is "fifty-one million, two hundred seventy-six thousand, seven hundred fifty-five".