50729542164 has 288 divisors, whose sum is σ = 163719069696. Its totient is φ = 13415466240.

The previous prime is 50729542147. The next prime is 50729542207. The reversal of 50729542164 is 46124592705.

50729542164 is a `hidden beast` number, since 507 + 2 + 95 + 42 + 16 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4846024 + ... + 4856480.

It is an arithmetic number, because the mean of its divisors is an integer number (568468992).

Almost surely, 2^50729542164 is an apocalyptic number.

50729542164 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50729542164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81859534848).

50729542164 is an abundant number, since it is smaller than the sum of its proper divisors (112989527532).

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

50729542164 is a wasteful number, since it uses less digits than its factorization.

50729542164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10537 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 50729542164 in words is "fifty billion, seven hundred twenty-nine million, five hundred forty-two thousand, one hundred sixty-four".