53440400090 has 96 divisors (see below), whose sum is σ = 122950094400. Its totient is φ = 16536683520.

The previous prime is 53440400089. The next prime is 53440400137. The reversal of 53440400090 is 9000404435.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 713546 + ... + 784874.

It is an arithmetic number, because the mean of its divisors is an integer number (1280730150).

Almost surely, 2^53440400090 is an apocalyptic number.

53440400090 is an abundant number, since it is smaller than the sum of its proper divisors (69509694310).

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

53440400090 is a wasteful number, since it uses less digits than its factorization.

53440400090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71500 (or 71493 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 53440400090 in words is "fifty-three billion, four hundred forty million, four hundred thousand, ninety".