52215549 has 8 divisors (see below), whose sum is σ = 70459872. Its totient is φ = 34390800.

The previous prime is 52215529. The next prime is 52215607. The reversal of 52215549 is 94551225.

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

It is not a de Polignac number, because 52215549 - 2¹⁹ = 51691261 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215529) 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, 104602 + ... + 105099.

It is an arithmetic number, because the mean of its divisors is an integer number (8807484).

Almost surely, 2^52215549 is an apocalyptic number.

It is an amenable number.

52215549 is a deficient number, since it is larger than the sum of its proper divisors (18244323).

52215549 is a wasteful number, since it uses less digits than its factorization.

52215549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209787.

The product of its digits is 18000, while the sum is 33.

The square root of 52215549 is about 7226.0327289599. The cubic root of 52215549 is about 373.7661348799.

The spelling of 52215549 in words is "fifty-two million, two hundred fifteen thousand, five hundred forty-nine".