51510552050 has 24 divisors (see below), whose sum is σ = 95818086000. Its totient is φ = 20602401680.

The previous prime is 51510552011. The next prime is 51510552097. The reversal of 51510552050 is 5025501515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624101 + ... + 701799.

It is an arithmetic number, because the mean of its divisors is an integer number (3992420250).

Almost surely, 2^51510552050 is an apocalyptic number.

51510552050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51510552050 is a deficient number, since it is larger than the sum of its proper divisors (44307533950).

51510552050 is a wasteful number, since it uses less digits than its factorization.

51510552050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90970 (or 90965 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The spelling of 51510552050 in words is "fifty-one billion, five hundred ten million, five hundred fifty-two thousand, fifty".