53582217 has 32 divisors (see below), whose sum is σ = 79328256. Its totient is φ = 31968000.

The previous prime is 53582197. The next prime is 53582233. The reversal of 53582217 is 71228535.

It is not a de Polignac number, because 53582217 - 2⁶ = 53582153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53582267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240168 + ... + 240390.

It is an arithmetic number, because the mean of its divisors is an integer number (2479008).

Almost surely, 2^53582217 is an apocalyptic number.

It is an amenable number.

53582217 is a deficient number, since it is larger than the sum of its proper divisors (25746039).

53582217 is a wasteful number, since it uses less digits than its factorization.

53582217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its digits is 16800, while the sum is 33.

The square root of 53582217 is about 7319.9874999893. The cubic root of 53582217 is about 376.9990243580. Note that the first 3 decimals are identical.

The spelling of 53582217 in words is "fifty-three million, five hundred eighty-two thousand, two hundred seventeen".