506140555 has 8 divisors (see below), whose sum is σ = 607762800. Its totient is φ = 404649696.

The previous prime is 506140543. The next prime is 506140631. The reversal of 506140555 is 555041605.

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 506140555 - 2²⁵ = 472586123 is a prime.

It is a super-2 number, since 2×506140555² = 512356522831416050, which contains 22 as substring.

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, 24160 + ... + 39949.

It is an arithmetic number, because the mean of its divisors is an integer number (75970350).

Almost surely, 2^506140555 is an apocalyptic number.

506140555 is a deficient number, since it is larger than the sum of its proper divisors (101622245).

506140555 is a wasteful number, since it uses less digits than its factorization.

506140555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65693.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 506140555 is about 22497.5677574266. The cubic root of 506140555 is about 796.9364893318.

The spelling of 506140555 in words is "five hundred six million, one hundred forty thousand, five hundred fifty-five".