53344405 has 8 divisors (see below), whose sum is σ = 64294200. Its totient is φ = 42488256.

The previous prime is 53344399. The next prime is 53344409. The reversal of 53344405 is 50444335.

It can be written as a sum of positive squares in 4 ways, for example, as 4986289 + 48358116 = 2233^2 + 6954^2 .

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 53344405 - 2⁵ = 53344373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53344409) 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, 22150 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (8036775).

Almost surely, 2^53344405 is an apocalyptic number.

It is an amenable number.

53344405 is a deficient number, since it is larger than the sum of its proper divisors (10949795).

53344405 is a wasteful number, since it uses less digits than its factorization.

53344405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46823.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 53344405 is about 7303.7254192638. The cubic root of 53344405 is about 376.4404568433.

The spelling of 53344405 in words is "fifty-three million, three hundred forty-four thousand, four hundred five".