53140021548 has 72 divisors (see below), whose sum is σ = 126594988800. Its totient is φ = 17349174336.

The previous prime is 53140021547. The next prime is 53140021577. The reversal of 53140021548 is 84512004135.

It is not an unprimeable number, because it can be changed into a prime (53140021547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28280073 + ... + 28281951.

Almost surely, 2^53140021548 is an apocalyptic number.

It is an amenable number.

53140021548 is an abundant number, since it is smaller than the sum of its proper divisors (73454967252).

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

53140021548 is a wasteful number, since it uses less digits than its factorization.

53140021548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 53140021548 in words is "fifty-three billion, one hundred forty million, twenty-one thousand, five hundred forty-eight".