51811084 has 12 divisors (see below), whose sum is σ = 97644064. Its totient is φ = 23912784.

The previous prime is 51811073. The next prime is 51811103. The reversal of 51811084 is 48011815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498132 + ... + 498235.

Almost surely, 2^51811084 is an apocalyptic number.

It is an amenable number.

51811084 is a deficient number, since it is larger than the sum of its proper divisors (45832980).

51811084 is a wasteful number, since it uses less digits than its factorization.

51811084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996384 (or 996382 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 51811084 is about 7197.9916643464. The cubic root of 51811084 is about 372.7985600926.

Adding to 51811084 its reverse (48011815), we get a palindrome (99822899).

The spelling of 51811084 in words is "fifty-one million, eight hundred eleven thousand, eighty-four".