51827004 has 72 divisors (see below), whose sum is σ = 139400352. Its totient is φ = 16199040.

The previous prime is 51826969. The next prime is 51827011. The reversal of 51827004 is 40072815.

51827004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43294 + ... + 44474.

It is an arithmetic number, because the mean of its divisors is an integer number (1936116).

Almost surely, 2^51827004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51827004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69700176).

51827004 is an abundant number, since it is smaller than the sum of its proper divisors (87573348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51827004 is a wasteful number, since it uses less digits than its factorization.

51827004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 51827004 is about 7199.0974434300. The cubic root of 51827004 is about 372.8367394733.

Adding to 51827004 its reverse (40072815), we get a palindrome (91899819).

The spelling of 51827004 in words is "fifty-one million, eight hundred twenty-seven thousand, four".