53867964543840 has 192 divisors, whose sum is σ = 189132637417920. Its totient is φ = 14319475384320.

The previous prime is 53867964543839. The next prime is 53867964543847. The reversal of 53867964543840 is 4834546976835.

It is a happy number.

53867964543840 is a `hidden beast` number, since 5 + 3 + 8 + 6 + 7 + 96 + 454 + 3 + 84 + 0 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53867964543847) 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, 18298441 + ... + 21037320.

It is an arithmetic number, because the mean of its divisors is an integer number (985065819885).

Almost surely, 2^{53867964543840} is an apocalyptic number.

It is an amenable number.

53867964543840 is an abundant number, since it is smaller than the sum of its proper divisors (135264672874080).

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

53867964543840 is a wasteful number, since it uses less digits than its factorization.

53867964543840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39336102 (or 39336088 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 72.

The spelling of 53867964543840 in words is "fifty-three trillion, eight hundred sixty-seven billion, nine hundred sixty-four million, five hundred forty-three thousand, eight hundred forty".