53520506645745 has 16 divisors (see below), whose sum is σ = 89355976313472. Its totient is φ = 27303214984320.

The previous prime is 53520506645581. The next prime is 53520506645759. The reversal of 53520506645745 is 54754660502535.

It is a happy number.

It is not a de Polignac number, because 53520506645745 - 2⁹ = 53520506645233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77565951316 + ... + 77565952005.

It is an arithmetic number, because the mean of its divisors is an integer number (5584748519592).

Almost surely, 2^{53520506645745} is an apocalyptic number.

It is an amenable number.

53520506645745 is a deficient number, since it is larger than the sum of its proper divisors (35835469667727).

53520506645745 is a wasteful number, since it uses less digits than its factorization.

53520506645745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155131903352.

The product of its (nonzero) digits is 75600000, while the sum is 57.

The spelling of 53520506645745 in words is "fifty-three trillion, five hundred twenty billion, five hundred six million, six hundred forty-five thousand, seven hundred forty-five".