51803722 has 8 divisors (see below), whose sum is σ = 77736672. Its totient is φ = 25891500.

The previous prime is 51803707. The next prime is 51803749. The reversal of 51803722 is 22730815.

51803722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51803722² = 5367251226106568, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5347 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (9717084).

Almost surely, 2^51803722 is an apocalyptic number.

51803722 is a deficient number, since it is larger than the sum of its proper divisors (25932950).

51803722 is a wasteful number, since it uses less digits than its factorization.

51803722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 51803722 is about 7197.4802535332. The cubic root of 51803722 is about 372.7809018826.

It can be divided in two parts, 51803 and 722, that added together give a palindrome (52525).

The spelling of 51803722 in words is "fifty-one million, eight hundred three thousand, seven hundred twenty-two".