36557573 has 6 divisors (see below), whose sum is σ = 39586194. Its totient is φ = 33745296.

The previous prime is 36557567. The next prime is 36557579. The reversal of 36557573 is 37575563.

It is an interprime number because it is at equal distance from previous prime (36557567) and next prime (36557579).

It can be written as a sum of positive squares in 3 ways, for example, as 1119364 + 35438209 = 1058^2 + 5953^2 .

It is not a de Polignac number, because 36557573 - 2⁶ = 36557509 is a prime.

It is a super-2 number, since 2×36557573² = 2672912287300658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36557573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36557579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107990 + ... + 108327.

It is an arithmetic number, because the mean of its divisors is an integer number (6597699).

Almost surely, 2^36557573 is an apocalyptic number.

It is an amenable number.

36557573 is a deficient number, since it is larger than the sum of its proper divisors (3028621).

36557573 is a wasteful number, since it uses less digits than its factorization.

36557573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216343 (or 216330 counting only the distinct ones).

The product of its digits is 330750, while the sum is 41.

The square root of 36557573 is about 6046.2858847395. The cubic root of 36557573 is about 331.8886892778. Note that the first 3 decimals are identical.

The spelling of 36557573 in words is "thirty-six million, five hundred fifty-seven thousand, five hundred seventy-three".