53504155425540 has 48 divisors (see below), whose sum is σ = 149820944700672. Its totient is φ = 14266888160256.

The previous prime is 53504155425517. The next prime is 53504155425541. The reversal of 53504155425540 is 4552455140535.

It is a self number, because there is not a number n which added to its sum of digits gives 53504155425540.

It is not an unprimeable number, because it can be changed into a prime (53504155425541) 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 15 ways as a sum of consecutive naturals, for example, 26733004 + ... + 28664643.

It is an arithmetic number, because the mean of its divisors is an integer number (3121269681264).

Almost surely, 2^{53504155425540} is an apocalyptic number.

It is an amenable number.

53504155425540 is an abundant number, since it is smaller than the sum of its proper divisors (96316789275132).

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

53504155425540 is a wasteful number, since it uses less digits than its factorization.

53504155425540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55413756 (or 55413754 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 53504155425540 in words is "fifty-three trillion, five hundred four billion, one hundred fifty-five million, four hundred twenty-five thousand, five hundred forty".