52400448504 has 64 divisors (see below), whose sum is σ = 145912932000. Its totient is φ = 17424080640.

The previous prime is 52400448497. The next prime is 52400448509. The reversal of 52400448504 is 40584400425.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52400448509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208227 + ... + 384914.

Almost surely, 2^52400448504 is an apocalyptic number.

52400448504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52400448504 is an abundant number, since it is smaller than the sum of its proper divisors (93512483496).

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

52400448504 is a wasteful number, since it uses less digits than its factorization.

52400448504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593565 (or 593555 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 52400448504 its reverse (40584400425), we get a palindrome (92984848929).

The spelling of 52400448504 in words is "fifty-two billion, four hundred million, four hundred forty-eight thousand, five hundred four".