53680034880 has 560 divisors, whose sum is σ = 201103626240. Its totient is φ = 13565325312.

The previous prime is 53680034833. The next prime is 53680034893. The reversal of 53680034880 is 8843008635.

53680034880 is a `hidden beast` number, since 536 + 8 + 0 + 0 + 34 + 8 + 80 = 666.

It is a super-2 number, since 2×53680034880² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75711966 + ... + 75712674.

Almost surely, 2^53680034880 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 53680034880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100551813120).

53680034880 is an abundant number, since it is smaller than the sum of its proper divisors (147423591360).

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

53680034880 is a wasteful number, since it uses less digits than its factorization.

53680034880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 53680034880 in words is "fifty-three billion, six hundred eighty million, thirty-four thousand, eight hundred eighty".