53383007538 has 96 divisors (see below), whose sum is σ = 140124950784. Its totient is φ = 14338400256.

The previous prime is 53383007479. The next prime is 53383007539. The reversal of 53383007538 is 83570038335.

It is a happy number.

53383007538 is a `hidden beast` number, since 5 + 33 + 83 + 0 + 0 + 7 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53383007493 and 53383007502.

It is not an unprimeable number, because it can be changed into a prime (53383007539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1885906 + ... + 1914002.

It is an arithmetic number, because the mean of its divisors is an integer number (1459634904).

Almost surely, 2^53383007538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53383007538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70062475392).

53383007538 is an abundant number, since it is smaller than the sum of its proper divisors (86741943246).

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

53383007538 is a wasteful number, since it uses less digits than its factorization.

53383007538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29016 (or 29013 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 53383007538 in words is "fifty-three billion, three hundred eighty-three million, seven thousand, five hundred thirty-eight".