50455721830 has 16 divisors (see below), whose sum is σ = 93749986944. Its totient is φ = 19531247040.

The previous prime is 50455721819. The next prime is 50455721887. The reversal of 50455721830 is 3812755405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81379887 + ... + 81380506.

It is an arithmetic number, because the mean of its divisors is an integer number (5859374184).

Almost surely, 2^50455721830 is an apocalyptic number.

50455721830 is a deficient number, since it is larger than the sum of its proper divisors (43294265114).

50455721830 is a wasteful number, since it uses less digits than its factorization.

50455721830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162760431.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 50455721830 in words is "fifty billion, four hundred fifty-five million, seven hundred twenty-one thousand, eight hundred thirty".