52745316140421 has 32 divisors (see below), whose sum is σ = 78638463792000. Its totient is φ = 34939877503104.

The previous prime is 52745316140401. The next prime is 52745316140453. The reversal of 52745316140421 is 12404161354725.

It is a happy number.

52745316140421 is a `hidden beast` number, since 5 + 2 + 7 + 4 + 5 + 3 + 1 + 614 + 0 + 4 + 21 = 666.

It is not a de Polignac number, because 52745316140421 - 2¹¹ = 52745316138373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52745316140401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18044875 + ... + 20763143.

It is an arithmetic number, because the mean of its divisors is an integer number (2457451993500).

Almost surely, 2^{52745316140421} is an apocalyptic number.

It is an amenable number.

52745316140421 is a deficient number, since it is larger than the sum of its proper divisors (25893147651579).

52745316140421 is a wasteful number, since it uses less digits than its factorization.

52745316140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722850 (or 2722844 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 52745316140421 in words is "fifty-two trillion, seven hundred forty-five billion, three hundred sixteen million, one hundred forty thousand, four hundred twenty-one".