50005055550555 has 64 divisors (see below), whose sum is σ = 107573901050880. Its totient is φ = 21514780196352.

The previous prime is 50005055550523. The next prime is 50005055550559. The reversal of 50005055550555 is 55505555050005.

It is not a de Polignac number, because 50005055550555 - 2⁵ = 50005055550523 is a prime.

It is a super-2 number, since 2×50005055550555² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50005055550555.

It is not an unprimeable number, because it can be changed into a prime (50005055550559) 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, 1556319309 + ... + 1556351438.

It is an arithmetic number, because the mean of its divisors is an integer number (1680842203920).

Almost surely, 2^{50005055550555} is an apocalyptic number.

50005055550555 is an abundant number, since it is smaller than the sum of its proper divisors (57568845500325).

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

50005055550555 is a wasteful number, since it uses less digits than its factorization.

50005055550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112670785 (or 3112670779 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 50005055550555 in words is "fifty trillion, five billion, fifty-five million, five hundred fifty thousand, five hundred fifty-five".