53974794240 has 216 divisors, whose sum is σ = 187132353408. Its totient is φ = 14391705600.

The previous prime is 53974794233. The next prime is 53974794253. The reversal of 53974794240 is 4249747935.

53974794240 is a `hidden beast` number, since 5 + 3 + 97 + 479 + 42 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5893665 + ... + 5902815.

It is an arithmetic number, because the mean of its divisors is an integer number (866353488).

Almost surely, 2^53974794240 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 53974794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93566176704).

53974794240 is an abundant number, since it is smaller than the sum of its proper divisors (133157559168).

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

53974794240 is an frugal number, since it uses more digits than its factorization.

53974794240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 53974794240 in words is "fifty-three billion, nine hundred seventy-four million, seven hundred ninety-four thousand, two hundred forty".