53265100661 has 16 divisors (see below), whose sum is σ = 55560024960. Its totient is φ = 51001876800.

The previous prime is 53265100633. The next prime is 53265100667. The reversal of 53265100661 is 16600156235.

It is a cyclic number.

It is not a de Polignac number, because 53265100661 - 2¹⁰ = 53265099637 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 (53265100667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674406 + ... + 2694248.

It is an arithmetic number, because the mean of its divisors is an integer number (3472501560).

Almost surely, 2^53265100661 is an apocalyptic number.

It is an amenable number.

53265100661 is a deficient number, since it is larger than the sum of its proper divisors (2294924299).

53265100661 is a wasteful number, since it uses less digits than its factorization.

53265100661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20636.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 53265100661 its reverse (16600156235), we get a palindrome (69865256896).

The spelling of 53265100661 in words is "fifty-three billion, two hundred sixty-five million, one hundred thousand, six hundred sixty-one".