52465217500 has 60 divisors (see below), whose sum is σ = 115435705000. Its totient is φ = 20857176000.

The previous prime is 52465217489. The next prime is 52465217537. The reversal of 52465217500 is 571256425.

It is a self number, because there is not a number n which added to its sum of digits gives 52465217500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 343126 + ... + 471874.

Almost surely, 2^52465217500 is an apocalyptic number.

52465217500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52465217500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57717852500).

52465217500 is an abundant number, since it is smaller than the sum of its proper divisors (62970487500).

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

52465217500 is a wasteful number, since it uses less digits than its factorization.

52465217500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128936 (or 128919 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 52465217500 in words is "fifty-two billion, four hundred sixty-five million, two hundred seventeen thousand, five hundred".