505602504056 has 32 divisors (see below), whose sum is σ = 1080982733040. Its totient is φ = 219628236288.

The previous prime is 505602504013. The next prime is 505602504061. The reversal of 505602504056 is 650405206505.

It is a happy number.

It is a super-2 number, since 2×505602504056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142985366 + ... + 142988901.

Almost surely, 2^505602504056 is an apocalyptic number.

It is an amenable number.

505602504056 is an abundant number, since it is smaller than the sum of its proper divisors (575380228984).

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

505602504056 is a wasteful number, since it uses less digits than its factorization.

505602504056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285974303 (or 285974299 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 505602504056 in words is "five hundred five billion, six hundred two million, five hundred four thousand, fifty-six".