53555313 has 8 divisors (see below), whose sum is σ = 81608128. Its totient is φ = 30603024.

The previous prime is 53555309. The next prime is 53555401. The reversal of 53555313 is 31355535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53555313 - 2² = 53555309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53555113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275106 + ... + 1275147.

It is an arithmetic number, because the mean of its divisors is an integer number (10201016).

Almost surely, 2^53555313 is an apocalyptic number.

It is an amenable number.

53555313 is a deficient number, since it is larger than the sum of its proper divisors (28052815).

53555313 is a wasteful number, since it uses less digits than its factorization.

53555313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550263.

The product of its digits is 16875, while the sum is 30.

The square root of 53555313 is about 7318.1495611937. The cubic root of 53555313 is about 376.9359158593.

The spelling of 53555313 in words is "fifty-three million, five hundred fifty-five thousand, three hundred thirteen".