53524861 has 4 divisors (see below), whose sum is σ = 57642172. Its totient is φ = 49407552.

The previous prime is 53524853. The next prime is 53524873. The reversal of 53524861 is 16842535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16842535 = 5 ⋅3368507.

It can be written as a sum of positive squares in 2 ways, for example, as 13645636 + 39879225 = 3694^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 53524861 - 2³ = 53524853 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 (53524561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058636 + ... + 2058661.

It is an arithmetic number, because the mean of its divisors is an integer number (14410543).

Almost surely, 2^53524861 is an apocalyptic number.

It is an amenable number.

53524861 is a deficient number, since it is larger than the sum of its proper divisors (4117311).

53524861 is a wasteful number, since it uses less digits than its factorization.

53524861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117310.

The product of its digits is 28800, while the sum is 34.

The square root of 53524861 is about 7316.0686847514. The cubic root of 53524861 is about 376.8644593399.

The spelling of 53524861 in words is "fifty-three million, five hundred twenty-four thousand, eight hundred sixty-one".