5393432538 has 36 divisors (see below), whose sum is σ = 12653829630. Its totient is φ = 1659516768.

The previous prime is 5393432521. The next prime is 5393432591. The reversal of 5393432538 is 8352343935.

5393432538 is a `hidden beast` number, since 5 + 393 + 4 + 3 + 253 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 832726449 + 4560706089 = 28857^2 + 67533^2 .

It is a super-2 number, since 2×5393432538² = 58178229083914242888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5393432493 and 5393432502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 883453 + ... + 889536.

Almost surely, 2^5393432538 is an apocalyptic number.

5393432538 is an abundant number, since it is smaller than the sum of its proper divisors (7260397092).

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

5393432538 is a wasteful number, since it uses less digits than its factorization.

5393432538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773023 (or 1773007 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 5393432538 is about 73439.9927696075. The cubic root of 5393432538 is about 1753.6991182731.

It can be divided in two parts, 5393432 and 538, that added together give a triangular number (5393970 = T₃₂₈₄).

The spelling of 5393432538 in words is "five billion, three hundred ninety-three million, four hundred thirty-two thousand, five hundred thirty-eight".