53621873501340 has 96 divisors (see below), whose sum is σ = 158975524169280. Its totient is φ = 13457832247296.

The previous prime is 53621873501333. The next prime is 53621873501347. The reversal of 53621873501340 is 4310537812635.

It is an interprime number because it is at equal distance from previous prime (53621873501333) and next prime (53621873501347).

It is a self number, because there is not a number n which added to its sum of digits gives 53621873501340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53621873501347) 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, 72534696 + ... + 73270224.

It is an arithmetic number, because the mean of its divisors is an integer number (1655995043430).

Almost surely, 2^{53621873501340} is an apocalyptic number.

It is an amenable number.

53621873501340 is an abundant number, since it is smaller than the sum of its proper divisors (105353650667940).

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

53621873501340 is a wasteful number, since it uses less digits than its factorization.

53621873501340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807031 (or 807029 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 53621873501340 in words is "fifty-three trillion, six hundred twenty-one billion, eight hundred seventy-three million, five hundred one thousand, three hundred forty".