1053533394 has 24 divisors (see below), whose sum is σ = 2402796240. Its totient is φ = 332694648.

The previous prime is 1053533387. The next prime is 1053533399. The reversal of 1053533394 is 4933353501.

1053533394 is a `hidden beast` number, since 1 + 0 + 535 + 3 + 33 + 94 = 666.

It is a super-2 number, since 2×1053533394² = 2219865224546318472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1053533399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1539912 + ... + 1540595.

It is an arithmetic number, because the mean of its divisors is an integer number (100116510).

Almost surely, 2^1053533394 is an apocalyptic number.

1053533394 is an abundant number, since it is smaller than the sum of its proper divisors (1349262846).

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

1053533394 is a wasteful number, since it uses less digits than its factorization.

1053533394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080534 (or 3080531 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 36.

The square root of 1053533394 is about 32458.1791541054. The cubic root of 1053533394 is about 1017.5351847086.

Adding to 1053533394 its reverse (4933353501), we get a palindrome (5986886895).

The spelling of 1053533394 in words is "one billion, fifty-three million, five hundred thirty-three thousand, three hundred ninety-four".