53116405 has 16 divisors (see below), whose sum is σ = 65038464. Its totient is φ = 41636800.

The previous prime is 53116387. The next prime is 53116409. The reversal of 53116405 is 50461135.

It is not a de Polignac number, because 53116405 - 2⁵ = 53116373 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 53116405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53116409) 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, 53544 + ... + 54526.

It is an arithmetic number, because the mean of its divisors is an integer number (4064904).

Almost surely, 2^53116405 is an apocalyptic number.

It is an amenable number.

53116405 is a deficient number, since it is larger than the sum of its proper divisors (11922059).

53116405 is a wasteful number, since it uses less digits than its factorization.

53116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 53116405 is about 7288.1002325709. The cubic root of 53116405 is about 375.9033746166.

The spelling of 53116405 in words is "fifty-three million, one hundred sixteen thousand, four hundred five".