51042584 has 16 divisors (see below), whose sum is σ = 96316800. Its totient is φ = 25358112.

The previous prime is 51042571. The next prime is 51042599. The reversal of 51042584 is 48524015.

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, 19064 + ... + 21575.

It is an arithmetic number, because the mean of its divisors is an integer number (6019800).

Almost surely, 2^51042584 is an apocalyptic number.

It is an amenable number.

51042584 is a deficient number, since it is larger than the sum of its proper divisors (45274216).

51042584 is a wasteful number, since it uses less digits than its factorization.

51042584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40802 (or 40798 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 51042584 is about 7144.4092827889. The cubic root of 51042584 is about 370.9461637504.

Adding to 51042584 its reverse (48524015), we get a palindrome (99566599).

Subtracting from 51042584 its reverse (48524015), we obtain a square (2518569 = 1587²).

The spelling of 51042584 in words is "fifty-one million, forty-two thousand, five hundred eighty-four".