51710809450 has 48 divisors (see below), whose sum is σ = 103154692320. Its totient is φ = 19225926720.

The previous prime is 51710809439. The next prime is 51710809489. The reversal of 51710809450 is 5490801715.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463164 + ... + 563863.

It is an arithmetic number, because the mean of its divisors is an integer number (2149056090).

Almost surely, 2^51710809450 is an apocalyptic number.

51710809450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51710809450 is a deficient number, since it is larger than the sum of its proper divisors (51443882870).

51710809450 is a wasteful number, since it uses less digits than its factorization.

51710809450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027111 (or 1027106 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 51710809450 in words is "fifty-one billion, seven hundred ten million, eight hundred nine thousand, four hundred fifty".