553515322140 has 144 divisors (see below), whose sum is σ = 1832692417920. Its totient is φ = 134107885440.

The previous prime is 553515322123. The next prime is 553515322159. The reversal of 553515322140 is 41223515355.

553515322140 is a `hidden beast` number, since 5 + 53 + 51 + 532 + 21 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 553515322095 and 553515322104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3379051 + ... + 3539069.

It is an arithmetic number, because the mean of its divisors is an integer number (12727030680).

Almost surely, 2^553515322140 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 553515322140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916346208960).

553515322140 is an abundant number, since it is smaller than the sum of its proper divisors (1279177095780).

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

553515322140 is a wasteful number, since it uses less digits than its factorization.

553515322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161792 (or 161787 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 553515322140 its reverse (41223515355), we get a palindrome (594738837495).

The spelling of 553515322140 in words is "five hundred fifty-three billion, five hundred fifteen million, three hundred twenty-two thousand, one hundred forty".