506091955 has 8 divisors (see below), whose sum is σ = 643034592. Its totient is φ = 381057408.

The previous prime is 506091947. The next prime is 506091967. The reversal of 506091955 is 559190605.

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 506091955 - 2³ = 506091947 is a prime.

It is a super-2 number, since 2×506091955² = 512258133831444050, which contains 22 as substring.

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, 2976927 + ... + 2977096.

It is an arithmetic number, because the mean of its divisors is an integer number (80379324).

Almost surely, 2^506091955 is an apocalyptic number.

506091955 is a deficient number, since it is larger than the sum of its proper divisors (136942637).

506091955 is a wasteful number, since it uses less digits than its factorization.

506091955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954045.

The product of its (nonzero) digits is 60750, while the sum is 40.

The square root of 506091955 is about 22496.4876147367. The cubic root of 506091955 is about 796.9109810333.

The spelling of 506091955 in words is "five hundred six million, ninety-one thousand, nine hundred fifty-five".