53408895 has 16 divisors (see below), whose sum is σ = 87067872. Its totient is φ = 27946880.

The previous prime is 53408891. The next prime is 53408897. The reversal of 53408895 is 59880435.

It is not a de Polignac number, because 53408895 - 2² = 53408891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53408891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32796 + ... + 34385.

It is an arithmetic number, because the mean of its divisors is an integer number (5441742).

Almost surely, 2^53408895 is an apocalyptic number.

53408895 is a deficient number, since it is larger than the sum of its proper divisors (33658977).

53408895 is a wasteful number, since it uses less digits than its factorization.

53408895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67242.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 53408895 is about 7308.1389559860. The cubic root of 53408895 is about 376.5920932936.

The spelling of 53408895 in words is "fifty-three million, four hundred eight thousand, eight hundred ninety-five".