505528055 has 8 divisors (see below), whose sum is σ = 606754800. Its totient is φ = 404341696.

The previous prime is 505528043. The next prime is 505528057. The reversal of 505528055 is 550825505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 505528055 - 2²⁴ = 488750839 is a prime.

It is a super-2 number, since 2×505528055² = 511117228784166050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505528057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40556 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (75844350).

Almost surely, 2^505528055 is an apocalyptic number.

505528055 is a deficient number, since it is larger than the sum of its proper divisors (101226745).

505528055 is a wasteful number, since it uses less digits than its factorization.

505528055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 505528055 is about 22483.9510540296. The cubic root of 505528055 is about 796.6148918188.

The spelling of 505528055 in words is "five hundred five million, five hundred twenty-eight thousand, fifty-five".