50129556480 has 704 divisors, whose sum is σ = 191646362880. Its totient is φ = 12381585408.

The previous prime is 50129556473. The next prime is 50129556487. The reversal of 50129556480 is 8465592105.

50129556480 is a `hidden beast` number, since 5 + 0 + 1 + 2 + 9 + 5 + 564 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (50129556473) and next prime (50129556487).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50129556487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195056512 + ... + 195056768.

Almost surely, 2^50129556480 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 50129556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95823181440).

50129556480 is an abundant number, since it is smaller than the sum of its proper divisors (141516806400).

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

50129556480 is a wasteful number, since it uses less digits than its factorization.

50129556480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 50129556480 in words is "fifty billion, one hundred twenty-nine million, five hundred fifty-six thousand, four hundred eighty".