53558313 has 16 divisors (see below), whose sum is σ = 76216320. Its totient is φ = 33336576.

The previous prime is 53558293. The next prime is 53558327. The reversal of 53558313 is 31385535.

It is a happy number.

It is not a de Polignac number, because 53558313 - 2¹³ = 53550121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53558363) 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, 2343 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (4763520).

Almost surely, 2^53558313 is an apocalyptic number.

It is an amenable number.

53558313 is a deficient number, since it is larger than the sum of its proper divisors (22658007).

53558313 is a wasteful number, since it uses less digits than its factorization.

53558313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416.

The product of its digits is 27000, while the sum is 33.

The square root of 53558313 is about 7318.3545281709. The cubic root of 53558313 is about 376.9429539823.

The spelling of 53558313 in words is "fifty-three million, five hundred fifty-eight thousand, three hundred thirteen".