53775313 has 8 divisors (see below), whose sum is σ = 55709640. Its totient is φ = 51870720.

The previous prime is 53775307. The next prime is 53775317. The reversal of 53775313 is 31357735.

It is a happy number.

53775313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 52751169 = 1012^2 + 7263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53775313 - 2¹³ = 53767121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53775317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (6963705).

Almost surely, 2^53775313 is an apocalyptic number.

It is an amenable number.

53775313 is a deficient number, since it is larger than the sum of its proper divisors (1934327).

53775313 is a wasteful number, since it uses less digits than its factorization.

53775313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14867.

The product of its digits is 33075, while the sum is 34.

The square root of 53775313 is about 7333.1652783774. The cubic root of 53775313 is about 377.4513493727.

The spelling of 53775313 in words is "fifty-three million, seven hundred seventy-five thousand, three hundred thirteen".