35553421 has 4 divisors (see below), whose sum is σ = 35710272. Its totient is φ = 35396572.

The previous prime is 35553383. The next prime is 35553439. The reversal of 35553421 is 12435553.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35553421 is a prime.

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 35553421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35553451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78085 + ... + 78538.

It is an arithmetic number, because the mean of its divisors is an integer number (8927568).

Almost surely, 2^35553421 is an apocalyptic number.

It is an amenable number.

35553421 is a deficient number, since it is larger than the sum of its proper divisors (156851).

35553421 is a wasteful number, since it uses less digits than its factorization.

35553421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156850.

The product of its digits is 9000, while the sum is 28.

The square root of 35553421 is about 5962.6689493884. The cubic root of 35553421 is about 328.8216961124.

Adding to 35553421 its reverse (12435553), we get a palindrome (47988974).

The spelling of 35553421 in words is "thirty-five million, five hundred fifty-three thousand, four hundred twenty-one".