51188084 has 12 divisors (see below), whose sum is σ = 89899908. Its totient is φ = 25502400.

The previous prime is 51188077. The next prime is 51188101. The reversal of 51188084 is 48088115.

It can be written as a sum of positive squares in 2 ways, for example, as 17222500 + 33965584 = 4150^2 + 5828^2 .

It is a congruent number.

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, 21647 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (7491659).

Almost surely, 2^51188084 is an apocalyptic number.

It is an amenable number.

51188084 is a deficient number, since it is larger than the sum of its proper divisors (38711824).

51188084 is a wasteful number, since it uses less digits than its factorization.

51188084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45826 (or 45824 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 51188084 is about 7154.5848237337. The cubic root of 51188084 is about 371.2982975933.

The spelling of 51188084 in words is "fifty-one million, one hundred eighty-eight thousand, eighty-four".