502055231 has 4 divisors (see below), whose sum is σ = 502474464. Its totient is φ = 501636000.

The previous prime is 502055149. The next prime is 502055233. The reversal of 502055231 is 132550205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502055231 is a prime.

It is a super-2 number, since 2×502055231² = 504118909948926722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502055197 and 502055206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502055233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207815 + ... + 210216.

It is an arithmetic number, because the mean of its divisors is an integer number (125618616).

Almost surely, 2^502055231 is an apocalyptic number.

502055231 is a deficient number, since it is larger than the sum of its proper divisors (419233).

502055231 is a wasteful number, since it uses less digits than its factorization.

502055231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419232.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 502055231 is about 22406.5890085930. The cubic root of 502055231 is about 794.7865312965.

The spelling of 502055231 in words is "five hundred two million, fifty-five thousand, two hundred thirty-one".