505530055499 has 8 divisors (see below), whose sum is σ = 587219924448. Its totient is φ = 426208008960.

The previous prime is 505530055493. The next prime is 505530055561. The reversal of 505530055499 is 994550035505.

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 505530055499 - 2⁸ = 505530055243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505530055493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591955142 + ... + 591955995.

It is an arithmetic number, because the mean of its divisors is an integer number (73402490556).

Almost surely, 2^505530055499 is an apocalyptic number.

505530055499 is a deficient number, since it is larger than the sum of its proper divisors (81689868949).

505530055499 is a wasteful number, since it uses less digits than its factorization.

505530055499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183911205.

The product of its (nonzero) digits is 3037500, while the sum is 50.

The spelling of 505530055499 in words is "five hundred five billion, five hundred thirty million, fifty-five thousand, four hundred ninety-nine".