50000055005040 has 640 divisors, whose sum is σ = 184627683072000. Its totient is φ = 10951744634880.

The previous prime is 50000055005003. The next prime is 50000055005051. The reversal of 50000055005040 is 4050055000005.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50000055005040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14322557695 + ... + 14322561185.

It is an arithmetic number, because the mean of its divisors is an integer number (288480754800).

Almost surely, 2^{50000055005040} 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 50000055005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92313841536000).

50000055005040 is an abundant number, since it is smaller than the sum of its proper divisors (134627628066960).

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

50000055005040 is a wasteful number, since it uses less digits than its factorization.

50000055005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The spelling of 50000055005040 in words is "fifty trillion, fifty-five million, five thousand, forty".