505520050520 has 64 divisors (see below), whose sum is σ = 1245855751200. Its totient is φ = 183750891520.

The previous prime is 505520050507. The next prime is 505520050543. The reversal of 505520050520 is 25050025505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 12797726 + ... + 12837165.

Almost surely, 2^505520050520 is an apocalyptic number.

It is an amenable number.

505520050520 is an abundant number, since it is smaller than the sum of its proper divisors (740335700680).

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

505520050520 is a wasteful number, since it uses less digits than its factorization.

505520050520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634948 (or 25634944 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 505520050520 in words is "five hundred five billion, five hundred twenty million, fifty thousand, five hundred twenty".