53262420461 has 4 divisors (see below), whose sum is σ = 53290859292. Its totient is φ = 53233981632.

The previous prime is 53262420439. The next prime is 53262420473. The reversal of 53262420461 is 16402426235.

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 18115544836 + 35146875625 = 134594^2 + 187475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53262420461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53262420961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14216606 + ... + 14220351.

It is an arithmetic number, because the mean of its divisors is an integer number (13322714823).

Almost surely, 2^53262420461 is an apocalyptic number.

It is an amenable number.

53262420461 is a deficient number, since it is larger than the sum of its proper divisors (28438831).

53262420461 is a wasteful number, since it uses less digits than its factorization.

53262420461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438830.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 53262420461 its reverse (16402426235), we get a palindrome (69664846696).

The spelling of 53262420461 in words is "fifty-three billion, two hundred sixty-two million, four hundred twenty thousand, four hundred sixty-one".