50055002550 has 72 divisors (see below), whose sum is σ = 153692703216. Its totient is φ = 11441142720.

The previous prime is 50055002537. The next prime is 50055002567. The reversal of 50055002550 is 5520055005.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7942089 + ... + 7948388.

It is an arithmetic number, because the mean of its divisors is an integer number (2134620878).

Almost surely, 2^50055002550 is an apocalyptic number.

50055002550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50055002550 is an abundant number, since it is smaller than the sum of its proper divisors (103637700666).

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

50055002550 is a wasteful number, since it uses less digits than its factorization.

50055002550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15890502 (or 15890494 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

Adding to 50055002550 its reverse (5520055005), we get a palindrome (55575057555).

The spelling of 50055002550 in words is "fifty billion, fifty-five million, two thousand, five hundred fifty".