53640552236611 has 16 divisors (see below), whose sum is σ = 55667913269760. Its totient is φ = 51650672804640.

The previous prime is 53640552236603. The next prime is 53640552236641. The reversal of 53640552236611 is 11663225504635.

It is a cyclic number.

It is not a de Polignac number, because 53640552236611 - 2³ = 53640552236603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53640552236641) 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, 9872545 + ... + 14309026.

It is an arithmetic number, because the mean of its divisors is an integer number (3479244579360).

Almost surely, 2^{53640552236611} is an apocalyptic number.

53640552236611 is a deficient number, since it is larger than the sum of its proper divisors (2027361033149).

53640552236611 is a wasteful number, since it uses less digits than its factorization.

53640552236611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182346.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 53640552236611 in words is "fifty-three trillion, six hundred forty billion, five hundred fifty-two million, two hundred thirty-six thousand, six hundred eleven".