50557841197920 has 384 divisors, whose sum is σ = 202692081715200. Its totient is φ = 11529751320576.

The previous prime is 50557841197909. The next prime is 50557841197921. The reversal of 50557841197920 is 2979114875505.

50557841197920 is a `hidden beast` number, since 5 + 0 + 5 + 578 + 41 + 19 + 7 + 9 + 2 + 0 = 666.

It is a super-2 number, since 2×50557841197920² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557841197921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11371162 + ... + 15179558.

It is an arithmetic number, because the mean of its divisors is an integer number (527843962800).

Almost surely, 2^{50557841197920} 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 50557841197920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101346040857600).

50557841197920 is an abundant number, since it is smaller than the sum of its proper divisors (152134240517280).

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

50557841197920 is a wasteful number, since it uses less digits than its factorization.

50557841197920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808867 (or 3808853 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 63.

The spelling of 50557841197920 in words is "fifty trillion, five hundred fifty-seven billion, eight hundred forty-one million, one hundred ninety-seven thousand, nine hundred twenty".