53721379008000 has 1280 divisors, whose sum is σ = 221107156807680. Its totient is φ = 12746059776000.

The previous prime is 53721379007993. The next prime is 53721379008013. The reversal of 53721379008000 is 80097312735.

It is a happy number.

53721379008000 is a `hidden beast` number, since 537 + 2 + 1 + 37 + 9 + 0 + 0 + 80 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 893345934 + ... + 893406066.

It is an arithmetic number, because the mean of its divisors is an integer number (172739966256).

Almost surely, 2^{53721379008000} is an apocalyptic number.

53721379008000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53721379008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110553578403840).

53721379008000 is an abundant number, since it is smaller than the sum of its proper divisors (167385777799680).

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

53721379008000 is a wasteful number, since it uses less digits than its factorization.

53721379008000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60233 (or 60201 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 53721379008000 in words is "fifty-three trillion, seven hundred twenty-one billion, three hundred seventy-nine million, eight thousand".