53383775040 has 168 divisors, whose sum is σ = 184382240328. Its totient is φ = 14176419840.

The previous prime is 53383775017. The next prime is 53383775069. The reversal of 53383775040 is 4057738335.

53383775040 is a `hidden beast` number, since 533 + 8 + 3 + 7 + 75 + 0 + 40 = 666.

53383775040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13348567296 + 40035207744 = 115536^2 + 200088^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655624 + ... + 732536.

Almost surely, 2^53383775040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53383775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92191120164).

53383775040 is an abundant number, since it is smaller than the sum of its proper divisors (130998465288).

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

53383775040 is a wasteful number, since it uses less digits than its factorization.

53383775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77177 (or 77164 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 53383775040 in words is "fifty-three billion, three hundred eighty-three million, seven hundred seventy-five thousand, forty".