533747538 has 24 divisors (see below), whose sum is σ = 1224480348. Its totient is φ = 167450112.

The previous prime is 533747537. The next prime is 533747549. The reversal of 533747538 is 835747335.

It can be written as a sum of positive squares in 2 ways, for example, as 529598169 + 4149369 = 23013^2 + 2037^2 .

It is a super-2 number, since 2×533747538² = 569772868642122888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 533747493 and 533747502.

It is not an unprimeable number, because it can be changed into a prime (533747537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871831 + ... + 872442.

Almost surely, 2^533747538 is an apocalyptic number.

533747538 is an abundant number, since it is smaller than the sum of its proper divisors (690732810).

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

533747538 is a wasteful number, since it uses less digits than its factorization.

533747538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744298 (or 1744295 counting only the distinct ones).

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

The square root of 533747538 is about 23102.9768211804. The cubic root of 533747538 is about 811.1701514553.

The spelling of 533747538 in words is "five hundred thirty-three million, seven hundred forty-seven thousand, five hundred thirty-eight".