50505551055 has 16 divisors (see below), whose sum is σ = 89787646560. Its totient is φ = 26936293824.

The previous prime is 50505551023. The next prime is 50505551087. The reversal of 50505551055 is 55015550505.

It is a happy number.

50505551055 is a `hidden beast` number, since 5 + 0 + 50 + 5 + 551 + 0 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (50505551023) and next prime (50505551087).

It is not a de Polignac number, because 50505551055 - 2⁵ = 50505551023 is a prime.

It is a super-2 number, since 2×50505551055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187057462 + ... + 187057731.

It is an arithmetic number, because the mean of its divisors is an integer number (5611727910).

Almost surely, 2^50505551055 is an apocalyptic number.

50505551055 is a deficient number, since it is larger than the sum of its proper divisors (39282095505).

50505551055 is a wasteful number, since it uses less digits than its factorization.

50505551055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374115207 (or 374115201 counting only the distinct ones).

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

The spelling of 50505551055 in words is "fifty billion, five hundred five million, five hundred fifty-one thousand, fifty-five".