53867789240832 has 1680 divisors, whose sum is σ = 195040080778752. Its totient is φ = 14840549498880.

The previous prime is 53867789240791. The next prime is 53867789240849. The reversal of 53867789240832 is 23804298776835.

53867789240832 is a `hidden beast` number, since 5 + 3 + 8 + 67 + 78 + 92 + 408 + 3 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 194468553078 + ... + 194468553354.

Almost surely, 2^{53867789240832} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53867789240832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97520040389376).

53867789240832 is an abundant number, since it is smaller than the sum of its proper divisors (141172291537920).

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

53867789240832 is an frugal number, since it uses more digits than its factorization.

53867789240832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 53867789240832 in words is "fifty-three trillion, eight hundred sixty-seven billion, seven hundred eighty-nine million, two hundred forty thousand, eight hundred thirty-two".