53408415 has 16 divisors (see below), whose sum is σ = 89169408. Its totient is φ = 27245856.

The previous prime is 53408371. The next prime is 53408419. The reversal of 53408415 is 51480435.

It is not a de Polignac number, because 53408415 - 2⁶ = 53408351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53408419) 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, 77059 + ... + 77748.

It is an arithmetic number, because the mean of its divisors is an integer number (5573088).

Almost surely, 2^53408415 is an apocalyptic number.

53408415 is a deficient number, since it is larger than the sum of its proper divisors (35760993).

53408415 is a wasteful number, since it uses less digits than its factorization.

53408415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154838.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 53408415 is about 7308.1061158141. The cubic root of 53408415 is about 376.5909651123.

The spelling of 53408415 in words is "fifty-three million, four hundred eight thousand, four hundred fifteen".