52644415 has 8 divisors (see below), whose sum is σ = 63973440. Its totient is φ = 41582112.

The previous prime is 52644413. The next prime is 52644457. The reversal of 52644415 is 51444625.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52644415 - 2¹ = 52644413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66244 + ... + 67033.

It is an arithmetic number, because the mean of its divisors is an integer number (7996680).

Almost surely, 2^52644415 is an apocalyptic number.

52644415 is a deficient number, since it is larger than the sum of its proper divisors (11329025).

52644415 is a wasteful number, since it uses less digits than its factorization.

52644415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133361.

The product of its digits is 19200, while the sum is 31.

The square root of 52644415 is about 7255.6471110439. The cubic root of 52644415 is about 374.7866401113.

The spelling of 52644415 in words is "fifty-two million, six hundred forty-four thousand, four hundred fifteen".