51276155 has 32 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 32873472.

The previous prime is 51276143. The next prime is 51276157. The reversal of 51276155 is 55167215.

It is a cyclic number.

It is not a de Polignac number, because 51276155 - 2⁶ = 51276091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51276157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54731 + ... + 55659.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^51276155 is an apocalyptic number.

51276155 is a deficient number, since it is larger than the sum of its proper divisors (23719045).

51276155 is a wasteful number, since it uses less digits than its factorization.

51276155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 10500, while the sum is 32.

The square root of 51276155 is about 7160.7370430704. The cubic root of 51276155 is about 371.5111197549.

It can be divided in two parts, 512 and 76155, that added together give a palindrome (76667).

The spelling of 51276155 in words is "fifty-one million, two hundred seventy-six thousand, one hundred fifty-five".