50066553600 has 1296 divisors, whose sum is σ = 219160868640. Its totient is φ = 11287019520.

The previous prime is 50066553599. The next prime is 50066553601. The reversal of 50066553600 is 635566005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50066553599) and next prime (50066553601).

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50066553601) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 685843164 + ... + 685843236.

Almost surely, 2^50066553600 is an apocalyptic number.

50066553600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50066553600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109580434320).

50066553600 is an abundant number, since it is smaller than the sum of its proper divisors (169094315040).

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

50066553600 is an frugal number, since it uses more digits than its factorization.

50066553600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 50066553600 in words is "fifty billion, sixty-six million, five hundred fifty-three thousand, six hundred".