52542553040 has 20 divisors (see below), whose sum is σ = 122161436004. Its totient is φ = 21017021184.

The previous prime is 52542553033. The next prime is 52542553079. The reversal of 52542553040 is 4035524525.

It can be written as a sum of positive squares in 2 ways, for example, as 32368327744 + 20174225296 = 179912^2 + 142036^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×52542553040³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328390877 + ... + 328391036.

Almost surely, 2^52542553040 is an apocalyptic number.

It is an amenable number.

52542553040 is an abundant number, since it is smaller than the sum of its proper divisors (69618882964).

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

52542553040 is a wasteful number, since it uses less digits than its factorization.

52542553040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656781926 (or 656781920 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 52542553040 in words is "fifty-two billion, five hundred forty-two million, five hundred fifty-three thousand, forty".