54532215 has 12 divisors (see below), whose sum is σ = 94522584. Its totient is φ = 29083824.

The previous prime is 54532211. The next prime is 54532237. The reversal of 54532215 is 51223545.

It is a happy number.

It is not a de Polignac number, because 54532215 - 2² = 54532211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54532211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605869 + ... + 605958.

It is an arithmetic number, because the mean of its divisors is an integer number (7876882).

Almost surely, 2^54532215 is an apocalyptic number.

54532215 is a deficient number, since it is larger than the sum of its proper divisors (39990369).

54532215 is a wasteful number, since it uses less digits than its factorization.

54532215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211838 (or 1211835 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 54532215 is about 7384.5930828990. The cubic root of 54532215 is about 379.2140148308.

The spelling of 54532215 in words is "fifty-four million, five hundred thirty-two thousand, two hundred fifteen".