51802550403 has 16 divisors (see below), whose sum is σ = 71304364032. Its totient is φ = 33418080000.

The previous prime is 51802550369. The next prime is 51802550407. The reversal of 51802550403 is 30405520815.

It is not a de Polignac number, because 51802550403 - 2¹² = 51802546307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51802550407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696158 + ... + 1726428.

It is an arithmetic number, because the mean of its divisors is an integer number (4456522752).

Almost surely, 2^51802550403 is an apocalyptic number.

51802550403 is a deficient number, since it is larger than the sum of its proper divisors (19501813629).

51802550403 is a wasteful number, since it uses less digits than its factorization.

51802550403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48706.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 51802550403 in words is "fifty-one billion, eight hundred two million, five hundred fifty thousand, four hundred three".