505500552 has 48 divisors (see below), whose sum is σ = 1373264880. Its totient is φ = 167983200.

The previous prime is 505500551. The next prime is 505500553. The reversal of 505500552 is 255005505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505500551) and next prime (505500553).

It is not an unprimeable number, because it can be changed into a prime (505500551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13227 + ... + 34437.

It is an arithmetic number, because the mean of its divisors is an integer number (28609685).

Almost surely, 2^505500552 is an apocalyptic number.

It is an amenable number.

505500552 is an abundant number, since it is smaller than the sum of its proper divisors (867764328).

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

505500552 is a wasteful number, since it uses less digits than its factorization.

505500552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21554 (or 21547 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 505500552 is about 22483.3394316770. The cubic root of 505500552 is about 796.6004450791.

The spelling of 505500552 in words is "five hundred five million, five hundred thousand, five hundred fifty-two".