52217456 has 20 divisors (see below), whose sum is σ = 101425800. Its totient is φ = 26043072.

The previous prime is 52217441. The next prime is 52217479. The reversal of 52217456 is 65471225.

It is a super-2 number, since 2×52217456² = 5453325422223872, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (5071290).

Almost surely, 2^52217456 is an apocalyptic number.

It is an amenable number.

52217456 is a deficient number, since it is larger than the sum of its proper divisors (49208344).

52217456 is a wasteful number, since it uses less digits than its factorization.

52217456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216 (or 8210 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 52217456 is about 7226.1646812123. The cubic root of 52217456 is about 373.7706850145.

The spelling of 52217456 in words is "fifty-two million, two hundred seventeen thousand, four hundred fifty-six".