49943755655136 has 384 divisors, whose sum is σ = 166946384102400. Its totient is φ = 14229635696640.

The previous prime is 49943755655113. The next prime is 49943755655147. The reversal of 49943755655136 is 63155655734994.

49943755655136 is a `hidden beast` number, since 4 + 9 + 9 + 4 + 3 + 7 + 5 + 565 + 51 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 6379323670 + ... + 6379331498.

It is an arithmetic number, because the mean of its divisors is an integer number (434756208600).

Almost surely, 2^{49943755655136} 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 49943755655136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83473192051200).

49943755655136 is an abundant number, since it is smaller than the sum of its proper divisors (117002628447264).

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

49943755655136 is a wasteful number, since it uses less digits than its factorization.

49943755655136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679 (or 10665 counting only the distinct ones).

The product of its digits is 1837080000, while the sum is 72.

The spelling of 49943755655136 in words is "forty-nine trillion, nine hundred forty-three billion, seven hundred fifty-five million, six hundred fifty-five thousand, one hundred thirty-six".