52256503 has 4 divisors (see below), whose sum is σ = 56276248. Its totient is φ = 48236760.

The previous prime is 52256489. The next prime is 52256507. The reversal of 52256503 is 30565225.

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

It is a de Polignac number, because none of the positive numbers 2^k-52256503 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52256507) 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, 2009853 + ... + 2009878.

It is an arithmetic number, because the mean of its divisors is an integer number (14069062).

Almost surely, 2^52256503 is an apocalyptic number.

52256503 is a deficient number, since it is larger than the sum of its proper divisors (4019745).

52256503 is a wasteful number, since it uses less digits than its factorization.

52256503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019744.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 52256503 is about 7228.8659553211. The cubic root of 52256503 is about 373.8638274789.

The spelling of 52256503 in words is "fifty-two million, two hundred fifty-six thousand, five hundred three".