505049955 has 8 divisors (see below), whose sum is σ = 808079952. Its totient is φ = 269359968.

The previous prime is 505049929. The next prime is 505049959. The reversal of 505049955 is 559940505.

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

It is not a de Polignac number, because 505049955 - 2¹⁶ = 504984419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505049959) 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, 16834984 + ... + 16835013.

It is an arithmetic number, because the mean of its divisors is an integer number (101009994).

Almost surely, 2^505049955 is an apocalyptic number.

505049955 is a deficient number, since it is larger than the sum of its proper divisors (303029997).

505049955 is a wasteful number, since it uses less digits than its factorization.

505049955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670005.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 505049955 is about 22473.3165109202. The cubic root of 505049955 is about 796.3636814227.

The spelling of 505049955 in words is "five hundred five million, forty-nine thousand, nine hundred fifty-five".