53415223 has 4 divisors (see below), whose sum is σ = 55737648. Its totient is φ = 51092800.

The previous prime is 53415221. The next prime is 53415233. The reversal of 53415223 is 32251435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32251435 = 5 ⋅6450287.

It is a cyclic number.

It is not a de Polignac number, because 53415223 - 2¹ = 53415221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161178 + ... + 1161223.

It is an arithmetic number, because the mean of its divisors is an integer number (13934412).

Almost surely, 2^53415223 is an apocalyptic number.

53415223 is a deficient number, since it is larger than the sum of its proper divisors (2322425).

53415223 is a wasteful number, since it uses less digits than its factorization.

53415223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322424.

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

The square root of 53415223 is about 7308.5718851223. The cubic root of 53415223 is about 376.6069658515.

Adding to 53415223 its reverse (32251435), we get a palindrome (85666658).

The spelling of 53415223 in words is "fifty-three million, four hundred fifteen thousand, two hundred twenty-three".