51005050503 has 48 divisors (see below), whose sum is σ = 75927414528. Its totient is φ = 30427196800.

The previous prime is 51005050501. The next prime is 51005050531. The reversal of 51005050503 is 30505050015.

It is not a de Polignac number, because 51005050503 - 2¹ = 51005050501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005050501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21313075 + ... + 21315467.

It is an arithmetic number, because the mean of its divisors is an integer number (1581821136).

Almost surely, 2^51005050503 is an apocalyptic number.

51005050503 is a deficient number, since it is larger than the sum of its proper divisors (24922364025).

51005050503 is a wasteful number, since it uses less digits than its factorization.

51005050503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The spelling of 51005050503 in words is "fifty-one billion, five million, fifty thousand, five hundred three".