53665102325540 has 24 divisors (see below), whose sum is σ = 112696897404672. Its totient is φ = 21466006164320.

The previous prime is 53665102325413. The next prime is 53665102325543. The reversal of 53665102325540 is 4552320156635.

It is a super-2 number, since 2×53665102325540² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53665102325543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13104695 + ... + 16705185.

It is an arithmetic number, because the mean of its divisors is an integer number (4695704058528).

Almost surely, 2^{53665102325540} is an apocalyptic number.

It is an amenable number.

53665102325540 is an abundant number, since it is smaller than the sum of its proper divisors (59031795079132).

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

53665102325540 is a wasteful number, since it uses less digits than its factorization.

53665102325540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345747 (or 4345745 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 53665102325540 in words is "fifty-three trillion, six hundred sixty-five billion, one hundred two million, three hundred twenty-five thousand, five hundred forty".