53993226240 has 600 divisors, whose sum is σ = 197923165440. Its totient is φ = 14077919232.

The previous prime is 53993226229. The next prime is 53993226241. The reversal of 53993226240 is 4262239935.

53993226240 is a `hidden beast` number, since 539 + 93 + 2 + 2 + 6 + 24 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53993226241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 524206029 + ... + 524206131.

Almost surely, 2^53993226240 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 53993226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98961582720).

53993226240 is an abundant number, since it is smaller than the sum of its proper divisors (143929939200).

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

53993226240 is an equidigital number, since it uses as much as digits as its factorization.

53993226240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 53993226240 in words is "fifty-three billion, nine hundred ninety-three million, two hundred twenty-six thousand, two hundred forty".