53543461 has 4 divisors (see below), whose sum is σ = 53562124. Its totient is φ = 53524800.

The previous prime is 53543453. The next prime is 53543467. The reversal of 53543461 is 16434535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16564900 + 36978561 = 4070^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 53543461 - 2³ = 53543453 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 (53543467) 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, 4020 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (13390531).

Almost surely, 2^53543461 is an apocalyptic number.

It is an amenable number.

53543461 is a deficient number, since it is larger than the sum of its proper divisors (18663).

53543461 is a wasteful number, since it uses less digits than its factorization.

53543461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18662.

The product of its digits is 21600, while the sum is 31.

The square root of 53543461 is about 7317.3397488432. The cubic root of 53543461 is about 376.9081080109.

Adding to 53543461 its reverse (16434535), we get a palindrome (69977996).

The spelling of 53543461 in words is "fifty-three million, five hundred forty-three thousand, four hundred sixty-one".