500055055521 has 64 divisors (see below), whose sum is σ = 786541658112. Its totient is φ = 276696000000.

The previous prime is 500055055517. The next prime is 500055055543. The reversal of 500055055521 is 125550550005.

It is not a de Polignac number, because 500055055521 - 2² = 500055055517 is a prime.

It is a super-2 number, since 2×500055055521² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500055055501) 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, 68300541 + ... + 68307861.

It is an arithmetic number, because the mean of its divisors is an integer number (12289713408).

Almost surely, 2^500055055521 is an apocalyptic number.

It is an amenable number.

500055055521 is a deficient number, since it is larger than the sum of its proper divisors (286486602591).

500055055521 is a wasteful number, since it uses less digits than its factorization.

500055055521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214.

The product of its (nonzero) digits is 31250, while the sum is 33.

The spelling of 500055055521 in words is "five hundred billion, fifty-five million, fifty-five thousand, five hundred twenty-one".