53032556440 has 32 divisors (see below), whose sum is σ = 119345672160. Its totient is φ = 21209036800.

The previous prime is 53032556419. The next prime is 53032556449. The reversal of 53032556440 is 4465523035.

It is a self number, because there is not a number n which added to its sum of digits gives 53032556440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53032556449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95805 + ... + 339475.

It is an arithmetic number, because the mean of its divisors is an integer number (3729552255).

Almost surely, 2^53032556440 is an apocalyptic number.

It is an amenable number.

53032556440 is an abundant number, since it is smaller than the sum of its proper divisors (66313115720).

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

53032556440 is a wasteful number, since it uses less digits than its factorization.

53032556440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249123 (or 249119 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 53032556440 in words is "fifty-three billion, thirty-two million, five hundred fifty-six thousand, four hundred forty".