53387455352 has 64 divisors (see below), whose sum is σ = 124828992000. Its totient is φ = 20795783040.

The previous prime is 53387455339. The next prime is 53387455369. The reversal of 53387455352 is 25355478335.

It is a self number, because there is not a number n which added to its sum of digits gives 53387455352.

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, 4891133 + ... + 4902035.

It is an arithmetic number, because the mean of its divisors is an integer number (1950453000).

Almost surely, 2^53387455352 is an apocalyptic number.

It is an amenable number.

53387455352 is an abundant number, since it is smaller than the sum of its proper divisors (71441536648).

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

53387455352 is a wasteful number, since it uses less digits than its factorization.

53387455352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18876 (or 18872 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 50.

The spelling of 53387455352 in words is "fifty-three billion, three hundred eighty-seven million, four hundred fifty-five thousand, three hundred fifty-two".