50549149187040 has 384 divisors, whose sum is σ = 193016951930880. Its totient is φ = 10862422272000.

The previous prime is 50549149187039. The next prime is 50549149187051. The reversal of 50549149187040 is 4078194194505.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5340865 + ... + 11385215.

It is an arithmetic number, because the mean of its divisors is an integer number (502648312320).

Almost surely, 2^{50549149187040} 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 50549149187040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96508475965440).

50549149187040 is an abundant number, since it is smaller than the sum of its proper divisors (142467802743840).

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

50549149187040 is a wasteful number, since it uses less digits than its factorization.

50549149187040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044526 (or 6044518 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 50549149187040 in words is "fifty trillion, five hundred forty-nine billion, one hundred forty-nine million, one hundred eighty-seven thousand, forty".