52445981952 has 576 divisors, whose sum is σ = 192299520000. Its totient is φ = 13729554432.

The previous prime is 52445981947. The next prime is 52445981969. The reversal of 52445981952 is 25918954425.

52445981952 is a `hidden beast` number, since 5 + 2 + 44 + 598 + 1 + 9 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 125169199 + ... + 125169617.

Almost surely, 2^52445981952 is an apocalyptic number.

52445981952 is a gapful number since it is divisible by the number (52) 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 52445981952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96149760000).

52445981952 is an abundant number, since it is smaller than the sum of its proper divisors (139853538048).

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

52445981952 is a wasteful number, since it uses less digits than its factorization.

52445981952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 643 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 52445981952 in words is "fifty-two billion, four hundred forty-five million, nine hundred eighty-one thousand, nine hundred fifty-two".