52175462640 has 480 divisors, whose sum is σ = 195611480064. Its totient is φ = 11458621440.

The previous prime is 52175462597. The next prime is 52175462653. The reversal of 52175462640 is 4626457125.

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 = 52175462592 and 52175462601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60881092 + ... + 60881948.

Almost surely, 2^52175462640 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 52175462640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97805740032).

52175462640 is an abundant number, since it is smaller than the sum of its proper divisors (143436017424).

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

52175462640 is a wasteful number, since it uses less digits than its factorization.

52175462640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 52175462640 in words is "fifty-two billion, one hundred seventy-five million, four hundred sixty-two thousand, six hundred forty".