215054 has 8 divisors (see below), whose sum is σ = 368688. Its totient is φ = 92160.

The previous prime is 215051. The next prime is 215063. The reversal of 215054 is 450512.

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

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (46086).

2²¹⁵⁰⁵⁴ is an apocalyptic number.

215054 is a deficient number, since it is larger than the sum of its proper divisors (153634).

215054 is a wasteful number, since it uses less digits than its factorization.

215054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 215054 is about 463.7391508165. The cubic root of 215054 is about 59.9122792210.

Adding to 215054 its reverse (450512), we get a palindrome (665566).

The spelling of 215054 in words is "two hundred fifteen thousand, fifty-four".