505025555530 has 8 divisors (see below), whose sum is σ = 909045999972. Its totient is φ = 202010222208.

The previous prime is 505025555519. The next prime is 505025555563. The reversal of 505025555530 is 35555520505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 496541487649 + 8484067881 = 704657^2 + 92109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×505025555530² (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 3 ways as a sum of consecutive naturals, for example, 25251277767 + ... + 25251277786.

Almost surely, 2^505025555530 is an apocalyptic number.

505025555530 is a deficient number, since it is larger than the sum of its proper divisors (404020444442).

505025555530 is a wasteful number, since it uses less digits than its factorization.

505025555530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50502555560.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 505025555530 in words is "five hundred five billion, twenty-five million, five hundred fifty-five thousand, five hundred thirty".