507655 has 4 divisors (see below), whose sum is σ = 609192. Its totient is φ = 406120.

The previous prime is 507641. The next prime is 507667. The reversal of 507655 is 556705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556705 = 5 ⋅111341.

It is not a de Polignac number, because 507655 - 2¹¹ = 505607 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50761 + ... + 50770.

It is an arithmetic number, because the mean of its divisors is an integer number (152298).

2⁵⁰⁷⁶⁵⁵ is an apocalyptic number.

507655 is a deficient number, since it is larger than the sum of its proper divisors (101537).

507655 is a wasteful number, since it uses less digits than its factorization.

507655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101536.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 507655 is about 712.4991228065. The cubic root of 507655 is about 79.7730547235.

The spelling of 507655 in words is "five hundred seven thousand, six hundred fifty-five".