53542451015540 has 48 divisors (see below), whose sum is σ = 118358176278720. Its totient is φ = 20289568746240.

The previous prime is 53542451015531. The next prime is 53542451015551. The reversal of 53542451015540 is 4551015424535.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53542451015491 and 53542451015500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40693775 + ... + 41988905.

It is an arithmetic number, because the mean of its divisors is an integer number (2465795339140).

Almost surely, 2^{53542451015540} is an apocalyptic number.

It is an amenable number.

53542451015540 is an abundant number, since it is smaller than the sum of its proper divisors (64815725263180).

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

53542451015540 is a wasteful number, since it uses less digits than its factorization.

53542451015540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403952 (or 1403950 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 53542451015540 in words is "fifty-three trillion, five hundred forty-two billion, four hundred fifty-one million, fifteen thousand, five hundred forty".