50166215055 has 64 divisors (see below), whose sum is σ = 101522211840. Its totient is φ = 23265475200.

The previous prime is 50166215053. The next prime is 50166215063. The reversal of 50166215055 is 55051266105.

It is not a de Polignac number, because 50166215055 - 2¹ = 50166215053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50166215053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700236 + ... + 768545.

It is an arithmetic number, because the mean of its divisors is an integer number (1586284560).

Almost surely, 2^50166215055 is an apocalyptic number.

50166215055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50166215055 is an abundant number, since it is smaller than the sum of its proper divisors (51355996785).

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

50166215055 is a wasteful number, since it uses less digits than its factorization.

50166215055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468829 (or 1468823 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 50166215055 in words is "fifty billion, one hundred sixty-six million, two hundred fifteen thousand, fifty-five".