53982858240 has 396 divisors, whose sum is σ = 194354396496. Its totient is φ = 14386470912.

The previous prime is 53982858227. The next prime is 53982858247. The reversal of 53982858240 is 4285828935.

It is a happy number.

53982858240 is a `hidden beast` number, since 5 + 39 + 8 + 28 + 582 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (53982858247) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33591517 + ... + 33593123.

Almost surely, 2^53982858240 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 53982858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97177198248).

53982858240 is an abundant number, since it is smaller than the sum of its proper divisors (140371538256).

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

53982858240 is an frugal number, since it uses more digits than its factorization.

53982858240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 53982858240 in words is "fifty-three billion, nine hundred eighty-two million, eight hundred fifty-eight thousand, two hundred forty".