50049407520 has 864 divisors, whose sum is σ = 208314288000. Its totient is φ = 11357563392.

The previous prime is 50049407497. The next prime is 50049407539. The reversal of 50049407520 is 2570494005.

50049407520 is a `hidden beast` number, since 50 + 0 + 49 + 40 + 7 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 143 ways as a sum of consecutive naturals, for example, 360067611 + ... + 360067749.

It is an arithmetic number, because the mean of its divisors is an integer number (241104500).

Almost surely, 2^50049407520 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 50049407520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104157144000).

50049407520 is an abundant number, since it is smaller than the sum of its proper divisors (158264880480).

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

50049407520 is an frugal number, since it uses more digits than its factorization.

50049407520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 50049407520 in words is "fifty billion, forty-nine million, four hundred seven thousand, five hundred twenty".