53551408 has 10 divisors (see below), whose sum is σ = 103755884. Its totient is φ = 26775696.

The previous prime is 53551403. The next prime is 53551417. The reversal of 53551408 is 80415535.

It is a self number, because there is not a number n which added to its sum of digits gives 53551408.

It is not an unprimeable number, because it can be changed into a prime (53551403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673466 + ... + 1673497.

Almost surely, 2^53551408 is an apocalyptic number.

It is an amenable number.

53551408 is a deficient number, since it is larger than the sum of its proper divisors (50204476).

53551408 is a wasteful number, since it uses less digits than its factorization.

53551408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346971 (or 3346965 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 53551408 is about 7317.8827539118. The cubic root of 53551408 is about 376.9267541755.

The spelling of 53551408 in words is "fifty-three million, five hundred fifty-one thousand, four hundred eight".