52542536 has 8 divisors (see below), whose sum is σ = 98517270. Its totient is φ = 26271264.

The previous prime is 52542521. The next prime is 52542559. The reversal of 52542536 is 63524525.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 1705636 = 7130^2 + 1306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×52542536² = 5521436178622592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283901 + ... + 3283916.

Almost surely, 2^52542536 is an apocalyptic number.

It is an amenable number.

52542536 is a deficient number, since it is larger than the sum of its proper divisors (45974734).

52542536 is a wasteful number, since it uses less digits than its factorization.

52542536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567823 (or 6567819 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 52542536 is about 7248.6230416542. The cubic root of 52542536 is about 374.5447179910.

The spelling of 52542536 in words is "fifty-two million, five hundred forty-two thousand, five hundred thirty-six".