53580550140 has 192 divisors, whose sum is σ = 179845585920. Its totient is φ = 13164975360.

The previous prime is 53580550129. The next prime is 53580550169. The reversal of 53580550140 is 4105508535.

It is a happy number.

53580550140 is a `hidden beast` number, since 5 + 35 + 80 + 5 + 501 + 40 = 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 = 53580550095 and 53580550104.

It is a congruent number.

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, 4001737 + ... + 4015103.

It is an arithmetic number, because the mean of its divisors is an integer number (936695760).

Almost surely, 2^53580550140 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 53580550140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89922792960).

53580550140 is an abundant number, since it is smaller than the sum of its proper divisors (126265035780).

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

53580550140 is a wasteful number, since it uses less digits than its factorization.

53580550140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969 (or 13961 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 53580550140 in words is "fifty-three billion, five hundred eighty million, five hundred fifty thousand, one hundred forty".