54233215 has 4 divisors (see below), whose sum is σ = 65079864. Its totient is φ = 43386568.

The previous prime is 54233203. The next prime is 54233243. The reversal of 54233215 is 51233245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54233215 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 54233215.

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, 5423317 + ... + 5423326.

It is an arithmetic number, because the mean of its divisors is an integer number (16269966).

Almost surely, 2^54233215 is an apocalyptic number.

54233215 is a deficient number, since it is larger than the sum of its proper divisors (10846649).

54233215 is a wasteful number, since it uses less digits than its factorization.

54233215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10846648.

The product of its digits is 3600, while the sum is 25.

The square root of 54233215 is about 7364.3204031329. The cubic root of 54233215 is about 378.5196677440.

The spelling of 54233215 in words is "fifty-four million, two hundred thirty-three thousand, two hundred fifteen".