53938579540 has 48 divisors (see below), whose sum is σ = 120562089984. Its totient is φ = 20199948800.

The previous prime is 53938579531. The next prime is 53938579561. The reversal of 53938579540 is 4597583935.

It is a super-2 number, since 2×53938579540² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 350356 + ... + 480235.

It is an arithmetic number, because the mean of its divisors is an integer number (2511710208).

Almost surely, 2^53938579540 is an apocalyptic number.

It is an amenable number.

53938579540 is an abundant number, since it is smaller than the sum of its proper divisors (66623510444).

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

53938579540 is a wasteful number, since it uses less digits than its factorization.

53938579540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830808 (or 830806 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 53938579540 in words is "fifty-three billion, nine hundred thirty-eight million, five hundred seventy-nine thousand, five hundred forty".