53315893 has 4 divisors (see below), whose sum is σ = 56452140. Its totient is φ = 50179648.

The previous prime is 53315887. The next prime is 53315917. The reversal of 53315893 is 39851335.

53315893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39851335 = 5 ⋅7970267.

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 8720209 = 6678^2 + 2953^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53315893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53315803) 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 3 ways as a sum of consecutive naturals, for example, 1568098 + ... + 1568131.

It is an arithmetic number, because the mean of its divisors is an integer number (14113035).

Almost surely, 2^53315893 is an apocalyptic number.

It is an amenable number.

53315893 is a deficient number, since it is larger than the sum of its proper divisors (3136247).

53315893 is a wasteful number, since it uses less digits than its factorization.

53315893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136246.

The product of its digits is 48600, while the sum is 37.

The square root of 53315893 is about 7301.7732777730. The cubic root of 53315893 is about 376.3733771242.

The spelling of 53315893 in words is "fifty-three million, three hundred fifteen thousand, eight hundred ninety-three".