52653757140 has 144 divisors (see below), whose sum is σ = 163704917376. Its totient is φ = 13691462400.

The previous prime is 52653757133. The next prime is 52653757199. The reversal of 52653757140 is 4175735625.

It is a happy number.

52653757140 is a `hidden beast` number, since 5 + 2 + 6 + 5 + 37 + 571 + 40 = 666.

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

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, 4878550 + ... + 4889330.

It is an arithmetic number, because the mean of its divisors is an integer number (1136839704).

Almost surely, 2^52653757140 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 52653757140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81852458688).

52653757140 is an abundant number, since it is smaller than the sum of its proper divisors (111051160236).

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

52653757140 is a wasteful number, since it uses less digits than its factorization.

52653757140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11470 (or 11465 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 52653757140 in words is "fifty-two billion, six hundred fifty-three million, seven hundred fifty-seven thousand, one hundred forty".