51876855 has 24 divisors (see below), whose sum is σ = 93252432. Its totient is φ = 27667008.

The previous prime is 51876841. The next prime is 51876887. The reversal of 51876855 is 55867815.

It is not a de Polignac number, because 51876855 - 2⁸ = 51876599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51876855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20134 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (3885518).

Almost surely, 2^51876855 is an apocalyptic number.

51876855 is a deficient number, since it is larger than the sum of its proper divisors (41375577).

51876855 is an equidigital number, since it uses as much as digits as its factorization.

51876855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42717 (or 42705 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The square root of 51876855 is about 7202.5589202727. The cubic root of 51876855 is about 372.9562417072.

The spelling of 51876855 in words is "fifty-one million, eight hundred seventy-six thousand, eight hundred fifty-five".