51103502 has 8 divisors (see below), whose sum is σ = 80689800. Its totient is φ = 24206904.

The previous prime is 51103477. The next prime is 51103517. The reversal of 51103502 is 20530115.

51103502 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 2×51103502² = 5223135833328008, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 672377 + ... + 672452.

It is an arithmetic number, because the mean of its divisors is an integer number (10086225).

Almost surely, 2^51103502 is an apocalyptic number.

51103502 is a deficient number, since it is larger than the sum of its proper divisors (29586298).

51103502 is a wasteful number, since it uses less digits than its factorization.

51103502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344850.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51103502 is about 7148.6713450822. The cubic root of 51103502 is about 371.0936766231.

Adding to 51103502 its reverse (20530115), we get a palindrome (71633617).

The spelling of 51103502 in words is "fifty-one million, one hundred three thousand, five hundred two".