54422215 has 4 divisors (see below), whose sum is σ = 65306664. Its totient is φ = 43537768.

The previous prime is 54422191. The next prime is 54422237. The reversal of 54422215 is 51222445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54422215 - 2⁷ = 54422087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54422215.

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, 5442217 + ... + 5442226.

It is an arithmetic number, because the mean of its divisors is an integer number (16326666).

Almost surely, 2^54422215 is an apocalyptic number.

54422215 is a deficient number, since it is larger than the sum of its proper divisors (10884449).

54422215 is a wasteful number, since it uses less digits than its factorization.

54422215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884448.

The product of its digits is 3200, while the sum is 25.

The square root of 54422215 is about 7377.1413840322. The cubic root of 54422215 is about 378.9588652177.

The spelling of 54422215 in words is "fifty-four million, four hundred twenty-two thousand, two hundred fifteen".