53541137440 has 48 divisors (see below), whose sum is σ = 144561074112. Its totient is φ = 18356961024.

The previous prime is 53541137437. The next prime is 53541137449. The reversal of 53541137440 is 4473114535.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53541137440.

It is not an unprimeable number, because it can be changed into a prime (53541137449) 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 7 ways as a sum of consecutive naturals, for example, 23901174 + ... + 23903413.

It is an arithmetic number, because the mean of its divisors is an integer number (3011689044).

Almost surely, 2^53541137440 is an apocalyptic number.

It is an amenable number.

53541137440 is an abundant number, since it is smaller than the sum of its proper divisors (91019936672).

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

53541137440 is a wasteful number, since it uses less digits than its factorization.

53541137440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47804609 (or 47804601 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 53541137440 in words is "fifty-three billion, five hundred forty-one million, one hundred thirty-seven thousand, four hundred forty".