53113261 has 8 divisors (see below), whose sum is σ = 55862784. Its totient is φ = 50428560.

The previous prime is 53113259. The next prime is 53113271. The reversal of 53113261 is 16231135.

It is a happy number.

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 53113261 - 2¹ = 53113259 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 (53113271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14521 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (6982848).

Almost surely, 2^53113261 is an apocalyptic number.

It is an amenable number.

53113261 is a deficient number, since it is larger than the sum of its proper divisors (2749523).

53113261 is a wasteful number, since it uses less digits than its factorization.

53113261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32411.

The product of its digits is 540, while the sum is 22.

The square root of 53113261 is about 7287.8845353093. The cubic root of 53113261 is about 375.8959578023.

Adding to 53113261 its reverse (16231135), we get a palindrome (69344396).

The spelling of 53113261 in words is "fifty-three million, one hundred thirteen thousand, two hundred sixty-one".