505505500554 has 32 divisors (see below), whose sum is σ = 1037710540800. Its totient is φ = 164087942832.

The previous prime is 505505500537. The next prime is 505505500583. The reversal of 505505500554 is 455005505505.

It is a super-2 number, since 2×505505500554² (a number of 24 digits) contains 22 as substring.

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, 4447834 + ... + 4560069.

It is an arithmetic number, because the mean of its divisors is an integer number (32428454400).

Almost surely, 2^505505500554 is an apocalyptic number.

505505500554 is an abundant number, since it is smaller than the sum of its proper divisors (532205040246).

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

505505500554 is a wasteful number, since it uses less digits than its factorization.

505505500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008154.

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 505505500554 in words is "five hundred five billion, five hundred five million, five hundred thousand, five hundred fifty-four".