52569481 has 8 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 51438192.

The previous prime is 52569437. The next prime is 52569493. The reversal of 52569481 is 18496525.

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 52569481 - 2¹⁹ = 52045193 is a prime.

It is a super-2 number, since 2×52569481² = 5527100665218722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52569281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22360 + ... + 24598.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 2^52569481 is an apocalyptic number.

It is an amenable number.

52569481 is a deficient number, since it is larger than the sum of its proper divisors (1136759).

52569481 is a wasteful number, since it uses less digits than its factorization.

52569481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 86400, while the sum is 40.

The square root of 52569481 is about 7250.4814322912. The cubic root of 52569481 is about 374.6087320485.

The spelling of 52569481 in words is "fifty-two million, five hundred sixty-nine thousand, four hundred eighty-one".