50542755840 has 360 divisors, whose sum is σ = 181770345120. Its totient is φ = 13472759808.

The previous prime is 50542755839. The next prime is 50542755847. The reversal of 50542755840 is 4855724505.

50542755840 is a `hidden beast` number, since 5 + 0 + 54 + 2 + 7 + 558 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50542755847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19905291 + ... + 19907829.

Almost surely, 2^50542755840 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 50542755840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90885172560).

50542755840 is an abundant number, since it is smaller than the sum of its proper divisors (131227589280).

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

50542755840 is an frugal number, since it uses more digits than its factorization.

50542755840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 45.

The spelling of 50542755840 in words is "fifty billion, five hundred forty-two million, seven hundred fifty-five thousand, eight hundred forty".