53504045540 has 24 divisors (see below), whose sum is σ = 122572904832. Its totient is φ = 19456016480.

The previous prime is 53504045531. The next prime is 53504045557. The reversal of 53504045540 is 4554040535.

It is a self number, because there is not a number n which added to its sum of digits gives 53504045540.

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 7 ways as a sum of consecutive naturals, for example, 121599884 + ... + 121600323.

It is an arithmetic number, because the mean of its divisors is an integer number (5107204368).

Almost surely, 2^53504045540 is an apocalyptic number.

It is an amenable number.

53504045540 is an abundant number, since it is smaller than the sum of its proper divisors (69068859292).

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

53504045540 is a wasteful number, since it uses less digits than its factorization.

53504045540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243200227 (or 243200225 counting only the distinct ones).

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

The spelling of 53504045540 in words is "fifty-three billion, five hundred four million, forty-five thousand, five hundred forty".