50775371520 has 288 divisors, whose sum is σ = 177630304320. Its totient is φ = 12303728640.

The previous prime is 50775371509. The next prime is 50775371539. The reversal of 50775371520 is 2517357705.

It is a happy number.

It is a super-2 number, since 2×50775371520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1879710 + ... + 1906530.

It is an arithmetic number, because the mean of its divisors is an integer number (616771890).

Almost surely, 2^50775371520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50775371520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88815152160).

50775371520 is an abundant number, since it is smaller than the sum of its proper divisors (126854932800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50775371520 is a wasteful number, since it uses less digits than its factorization.

50775371520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26891 (or 26877 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 42.

The spelling of 50775371520 in words is "fifty billion, seven hundred seventy-five million, three hundred seventy-one thousand, five hundred twenty".