53026405 has 4 divisors (see below), whose sum is σ = 63631692. Its totient is φ = 42421120.

The previous prime is 53026381. The next prime is 53026409. The reversal of 53026405 is 50462035.

53026405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20775364 + 32251041 = 4558^2 + 5679^2 .

It is not a de Polignac number, because 53026405 - 2¹³ = 53018213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53026405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53026409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5302636 + ... + 5302645.

It is an arithmetic number, because the mean of its divisors is an integer number (15907923).

Almost surely, 2^53026405 is an apocalyptic number.

It is an amenable number.

53026405 is a deficient number, since it is larger than the sum of its proper divisors (10605287).

53026405 is a wasteful number, since it uses less digits than its factorization.

53026405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605286.

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

The square root of 53026405 is about 7281.9231663071. The cubic root of 53026405 is about 375.6909453959.

The spelling of 53026405 in words is "fifty-three million, twenty-six thousand, four hundred five".