53293861 has 8 divisors (see below), whose sum is σ = 56758104. Its totient is φ = 49866240.

The previous prime is 53293859. The next prime is 53293883. The reversal of 53293861 is 16839235.

53293861 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 22268961 + 31024900 = 4719^2 + 5570^2 .

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 53293861 - 2¹ = 53293859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53293861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53293831) 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, 6120 + ... + 12001.

It is an arithmetic number, because the mean of its divisors is an integer number (7094763).

Almost surely, 2^53293861 is an apocalyptic number.

It is an amenable number.

53293861 is a deficient number, since it is larger than the sum of its proper divisors (3464243).

53293861 is a wasteful number, since it uses less digits than its factorization.

53293861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311.

The product of its digits is 38880, while the sum is 37.

The square root of 53293861 is about 7300.2644472649. The cubic root of 53293861 is about 376.3215264142.

The spelling of 53293861 in words is "fifty-three million, two hundred ninety-three thousand, eight hundred sixty-one".