505554995960 has 64 divisors (see below), whose sum is σ = 1300060523520. Its totient is φ = 173324880000.

The previous prime is 505554995903. The next prime is 505554995963. The reversal of 505554995960 is 69599455505.

It is a junction number, because it is equal to n+sod(n) for n = 505554995893 and 505554995902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505554995963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10125377 + ... + 10175183.

It is an arithmetic number, because the mean of its divisors is an integer number (20313445680).

Almost surely, 2^505554995960 is an apocalyptic number.

It is an amenable number.

505554995960 is an abundant number, since it is smaller than the sum of its proper divisors (794505527560).

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

505554995960 is a wasteful number, since it uses less digits than its factorization.

505554995960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86076 (or 86072 counting only the distinct ones).

The product of its (nonzero) digits is 54675000, while the sum is 62.

The spelling of 505554995960 in words is "five hundred five billion, five hundred fifty-four million, nine hundred ninety-five thousand, nine hundred sixty".