53542341440 has 56 divisors (see below), whose sum is σ = 145711663872. Its totient is φ = 18357373440.

The previous prime is 53542341409. The next prime is 53542341443. The reversal of 53542341440 is 4414324535.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 53542341440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53542341443) 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, 11949176 + ... + 11953655.

Almost surely, 2^53542341440 is an apocalyptic number.

It is an amenable number.

53542341440 is an abundant number, since it is smaller than the sum of its proper divisors (92169322432).

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

53542341440 is a wasteful number, since it uses less digits than its factorization.

53542341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23902855 (or 23902845 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 53542341440 its reverse (4414324535), we get a palindrome (57956665975).

The spelling of 53542341440 in words is "fifty-three billion, five hundred forty-two million, three hundred forty-one thousand, four hundred forty".