52215446 has 4 divisors (see below), whose sum is σ = 78323172. Its totient is φ = 26107722.

The previous prime is 52215437. The next prime is 52215479. The reversal of 52215446 is 64451225.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13053860 + ... + 13053863.

It is an arithmetic number, because the mean of its divisors is an integer number (19580793).

Almost surely, 2^52215446 is an apocalyptic number.

52215446 is a deficient number, since it is larger than the sum of its proper divisors (26107726).

52215446 is a wasteful number, since it uses less digits than its factorization.

52215446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26107725.

The product of its digits is 9600, while the sum is 29.

The square root of 52215446 is about 7226.0256019474. The cubic root of 52215446 is about 373.7658891169.

The spelling of 52215446 in words is "fifty-two million, two hundred fifteen thousand, four hundred forty-six".