51803504 has 10 divisors (see below), whose sum is σ = 100369320. Its totient is φ = 25901744.

The previous prime is 51803503. The next prime is 51803527. The reversal of 51803504 is 40530815.

51803504 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 not an unprimeable number, because it can be changed into a prime (51803503) 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 as a sum of consecutive naturals, namely, 1618844 + ... + 1618875.

It is an arithmetic number, because the mean of its divisors is an integer number (10036932).

Almost surely, 2^51803504 is an apocalyptic number.

It is an amenable number.

51803504 is a deficient number, since it is larger than the sum of its proper divisors (48565816).

51803504 is a wasteful number, since it uses less digits than its factorization.

51803504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237727 (or 3237721 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51803504 is about 7197.4651093284. The cubic root of 51803504 is about 372.7803789706.

The spelling of 51803504 in words is "fifty-one million, eight hundred three thousand, five hundred four".