53738405 has 16 divisors (see below), whose sum is σ = 73906560. Its totient is φ = 36745152.

The previous prime is 53738401. The next prime is 53738453. The reversal of 53738405 is 50483735.

It is a cyclic number.

It is not a de Polignac number, because 53738405 - 2² = 53738401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53738401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11642 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (4619160).

Almost surely, 2^53738405 is an apocalyptic number.

It is an amenable number.

53738405 is a deficient number, since it is larger than the sum of its proper divisors (20168155).

53738405 is a wasteful number, since it uses less digits than its factorization.

53738405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 53738405 is about 7330.6483342198. The cubic root of 53738405 is about 377.3649766367.

The spelling of 53738405 in words is "fifty-three million, seven hundred thirty-eight thousand, four hundred five".