51877911 has 16 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 33372960.

The previous prime is 51877879. The next prime is 51877913. The reversal of 51877911 is 11977815.

51877911 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 51877911 - 2⁵ = 51877879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51877911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51877913) 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 15 ways as a sum of consecutive naturals, for example, 46225 + ... + 47333.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 2^51877911 is an apocalyptic number.

51877911 is a deficient number, since it is larger than the sum of its proper divisors (19730409).

51877911 is a wasteful number, since it uses less digits than its factorization.

51877911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its digits is 17640, while the sum is 39.

The square root of 51877911 is about 7202.6322271792. The cubic root of 51877911 is about 372.9587723098.

The spelling of 51877911 in words is "fifty-one million, eight hundred seventy-seven thousand, nine hundred eleven".