35553989 has 4 divisors (see below), whose sum is σ = 35566080. Its totient is φ = 35541900.

The previous prime is 35553943. The next prime is 35554027. The reversal of 35553989 is 98935553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98935553 = 149 ⋅663997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35553989 is a prime.

It is a super-2 number, since 2×35553989² = 2528172267624242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35553589) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (8891520).

Almost surely, 2^35553989 is an apocalyptic number.

It is an amenable number.

35553989 is a deficient number, since it is larger than the sum of its proper divisors (12091).

35553989 is an equidigital number, since it uses as much as digits as its factorization.

35553989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090.

The product of its digits is 729000, while the sum is 47.

The square root of 35553989 is about 5962.7165788758. The cubic root of 35553989 is about 328.8234471837.

The spelling of 35553989 in words is "thirty-five million, five hundred fifty-three thousand, nine hundred eighty-nine".