52690547520 has 448 divisors, whose sum is σ = 201763457280. Its totient is φ = 12867379200.

The previous prime is 52690547479. The next prime is 52690547549. The reversal of 52690547520 is 2574509625.

52690547520 is a `hidden beast` number, since 52 + 6 + 9 + 0 + 547 + 52 + 0 = 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 63 ways as a sum of consecutive naturals, for example, 14712130 + ... + 14715710.

It is an arithmetic number, because the mean of its divisors is an integer number (450364860).

Almost surely, 2^52690547520 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 52690547520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100881728640).

52690547520 is an abundant number, since it is smaller than the sum of its proper divisors (149072909760).

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

52690547520 is a wasteful number, since it uses less digits than its factorization.

52690547520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 52690547520 in words is "fifty-two billion, six hundred ninety million, five hundred forty-seven thousand, five hundred twenty".