36604557 has 18 divisors (see below), whose sum is σ = 58118606. Its totient is φ = 22183920.

The previous prime is 36604549. The next prime is 36604613. The reversal of 36604557 is 75540663.

It can be written as a sum of positive squares in only one way, i.e., 27185796 + 9418761 = 5214^2 + 3069^2 .

It is not a de Polignac number, because 36604557 - 2³ = 36604549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36604537) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15718 + ... + 17895.

Almost surely, 2^36604557 is an apocalyptic number.

It is an amenable number.

36604557 is a deficient number, since it is larger than the sum of its proper divisors (21514049).

36604557 is a wasteful number, since it uses less digits than its factorization.

36604557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33641 (or 33627 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 36604557 is about 6050.1699976116. The cubic root of 36604557 is about 332.0308101518.

The spelling of 36604557 in words is "thirty-six million, six hundred four thousand, five hundred fifty-seven".