53261210461 has 4 divisors (see below), whose sum is σ = 53261673472. Its totient is φ = 53260747452.

The previous prime is 53261210437. The next prime is 53261210489. The reversal of 53261210461 is 16401216235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53261210461 - 2¹⁹ = 53260686173 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 (53261210491) 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, 88366 + ... + 338128.

It is an arithmetic number, because the mean of its divisors is an integer number (13315418368).

Almost surely, 2^53261210461 is an apocalyptic number.

It is an amenable number.

53261210461 is a deficient number, since it is larger than the sum of its proper divisors (463011).

53261210461 is a wasteful number, since it uses less digits than its factorization.

53261210461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463010.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 53261210461 its reverse (16401216235), we get a palindrome (69662426696).

The spelling of 53261210461 in words is "fifty-three billion, two hundred sixty-one million, two hundred ten thousand, four hundred sixty-one".