50050050055551 has 256 divisors, whose sum is σ = 102086446694400. Its totient is φ = 23479829323776.

The previous prime is 50050050055513. The next prime is 50050050055597. The reversal of 50050050055551 is 15555005005005.

It is a happy number.

50050050055551 is a `hidden beast` number, since 5 + 0 + 0 + 5 + 0 + 0 + 50 + 0 + 55 + 551 = 666.

It is not a de Polignac number, because 50050050055551 - 2²³ = 50050041666943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50050050045551) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 56491581 + ... + 57370713.

It is an arithmetic number, because the mean of its divisors is an integer number (398775182400).

Almost surely, 2^{50050050055551} is an apocalyptic number.

50050050055551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50050050055551 is an abundant number, since it is smaller than the sum of its proper divisors (52036396638849).

50050050055551 is a wasteful number, since it uses less digits than its factorization.

50050050055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879255 (or 879249 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 50050050055551 in words is "fifty trillion, fifty billion, fifty million, fifty-five thousand, five hundred fifty-one".