53544533240 has 32 divisors (see below), whose sum is σ = 131427491760. Its totient is φ = 19470739200.

The previous prime is 53544533221. The next prime is 53544533249. The reversal of 53544533240 is 4233544535.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53544533194 and 53544533203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53544533249) 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 7 ways as a sum of consecutive naturals, for example, 60845621 + ... + 60846500.

Almost surely, 2^53544533240 is an apocalyptic number.

It is an amenable number.

53544533240 is an abundant number, since it is smaller than the sum of its proper divisors (77882958520).

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

53544533240 is a wasteful number, since it uses less digits than its factorization.

53544533240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121692143 (or 121692139 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

The spelling of 53544533240 in words is "fifty-three billion, five hundred forty-four million, five hundred thirty-three thousand, two hundred forty".