52256530 has 8 divisors (see below), whose sum is σ = 94061772. Its totient is φ = 20902608.

The previous prime is 52256507. The next prime is 52256531. The reversal of 52256530 is 3565225.

It can be written as a sum of positive squares in 2 ways, for example, as 51883209 + 373321 = 7203^2 + 611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52256531) 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, 2612817 + ... + 2612836.

Almost surely, 2^52256530 is an apocalyptic number.

52256530 is a deficient number, since it is larger than the sum of its proper divisors (41805242).

52256530 is a wasteful number, since it uses less digits than its factorization.

52256530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225660.

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

The square root of 52256530 is about 7228.8678228337. The cubic root of 52256530 is about 373.8638918685.

The spelling of 52256530 in words is "fifty-two million, two hundred fifty-six thousand, five hundred thirty".