53012405 has 8 divisors (see below), whose sum is σ = 64330200. Its totient is φ = 41933056.

The previous prime is 53012383. The next prime is 53012417. The reversal of 53012405 is 50421035.

It can be written as a sum of positive squares in 4 ways, for example, as 1503076 + 51509329 = 1226^2 + 7177^2 .

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 53012405 - 2¹⁰ = 53011381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59120 + ... + 60009.

It is an arithmetic number, because the mean of its divisors is an integer number (8041275).

Almost surely, 2^53012405 is an apocalyptic number.

It is an amenable number.

53012405 is a deficient number, since it is larger than the sum of its proper divisors (11317795).

53012405 is a wasteful number, since it uses less digits than its factorization.

53012405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119223.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53012405 is about 7280.9618183314. The cubic root of 53012405 is about 375.6578792522.

The spelling of 53012405 in words is "fifty-three million, twelve thousand, four hundred five".