51441604 has 24 divisors (see below), whose sum is σ = 91542528. Its totient is φ = 25290720.

The previous prime is 51441601. The next prime is 51441613. The reversal of 51441604 is 40614415.

51441604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51441601) 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 7 ways as a sum of consecutive naturals, for example, 66162 + ... + 66934.

It is an arithmetic number, because the mean of its divisors is an integer number (3814272).

Almost surely, 2^51441604 is an apocalyptic number.

It is an amenable number.

51441604 is a deficient number, since it is larger than the sum of its proper divisors (40100924).

51441604 is a wasteful number, since it uses less digits than its factorization.

With its successor (51441605) it forms an eRAP, since the sums of their prime factors are consecutive (1035 and 1036).

51441604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 51441604 is about 7172.2802510778. The cubic root of 51441604 is about 371.9102666363.

The spelling of 51441604 in words is "fifty-one million, four hundred forty-one thousand, six hundred four".