505047955 has 8 divisors (see below), whose sum is σ = 607466304. Its totient is φ = 403099200.

The previous prime is 505047937. The next prime is 505047979. The reversal of 505047955 is 559740505.

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

It is not a de Polignac number, because 505047955 - 2⁵ = 505047923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115026 + ... + 119335.

It is an arithmetic number, because the mean of its divisors is an integer number (75933288).

Almost surely, 2^505047955 is an apocalyptic number.

505047955 is a deficient number, since it is larger than the sum of its proper divisors (102418349).

505047955 is a wasteful number, since it uses less digits than its factorization.

505047955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234797.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 505047955 is about 22473.2720136610. The cubic root of 505047955 is about 796.3626302201.

The spelling of 505047955 in words is "five hundred five million, forty-seven thousand, nine hundred fifty-five".