53445504340 has 48 divisors (see below), whose sum is σ = 117901526400. Its totient is φ = 20311448960.

The previous prime is 53445504331. The next prime is 53445504341. The reversal of 53445504340 is 4340554435.

53445504340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53445504340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445504341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321346 + ... + 458425.

It is an arithmetic number, because the mean of its divisors is an integer number (2456281800).

Almost surely, 2^53445504340 is an apocalyptic number.

It is an amenable number.

53445504340 is an abundant number, since it is smaller than the sum of its proper divisors (64456022060).

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

53445504340 is a wasteful number, since it uses less digits than its factorization.

53445504340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779952 (or 779950 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 53445504340 in words is "fifty-three billion, four hundred forty-five million, five hundred four thousand, three hundred forty".