53355335112240 has 320 divisors, whose sum is σ = 192636897878016. Its totient is φ = 11962918895616.

The previous prime is 53355335112227. The next prime is 53355335112263. The reversal of 53355335112240 is 4221153355335.

It is a super-2 number, since 2×53355335112240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 53355335112192 and 53355335112201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 447188272 + ... + 447307568.

Almost surely, 2^{53355335112240} 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 53355335112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96318448939008).

53355335112240 is an abundant number, since it is smaller than the sum of its proper divisors (139281562765776).

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

53355335112240 is a wasteful number, since it uses less digits than its factorization.

53355335112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124396 (or 124390 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 53355335112240 its reverse (4221153355335), we get a palindrome (57576488467575).

The spelling of 53355335112240 in words is "fifty-three trillion, three hundred fifty-five billion, three hundred thirty-five million, one hundred twelve thousand, two hundred forty".