53652520664240 has 80 divisors (see below), whose sum is σ = 129304821104640. Its totient is φ = 20681819047680.

The previous prime is 53652520664201. The next prime is 53652520664243. The reversal of 53652520664240 is 4246602525635.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×53652520664240³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53652520664243) 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, 44666864 + ... + 45852303.

It is an arithmetic number, because the mean of its divisors is an integer number (1616310263808).

Almost surely, 2^{53652520664240} is an apocalyptic number.

It is an amenable number.

53652520664240 is an abundant number, since it is smaller than the sum of its proper divisors (75652300440400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53652520664240 is a wasteful number, since it uses less digits than its factorization.

53652520664240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90519450 (or 90519444 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 53652520664240 in words is "fifty-three trillion, six hundred fifty-two billion, five hundred twenty million, six hundred sixty-four thousand, two hundred forty".