35552421 has 12 divisors (see below), whose sum is σ = 51826060. Its totient is φ = 23483520.

The previous prime is 35552383. The next prime is 35552437. The reversal of 35552421 is 12425553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9235521 + 26316900 = 3039^2 + 5130^2 .

It is not a de Polignac number, because 35552421 - 2¹⁴ = 35536037 is a prime.

It is a super-2 number, since 2×35552421² = 2527949277922482, 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 (35552471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17140 + ... + 19101.

Almost surely, 2^35552421 is an apocalyptic number.

It is an amenable number.

35552421 is a deficient number, since it is larger than the sum of its proper divisors (16273639).

35552421 is a wasteful number, since it uses less digits than its factorization.

35552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36356 (or 36353 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 35552421 is about 5962.5850937324. The cubic root of 35552421 is about 328.8186131950.

Adding to 35552421 its reverse (12425553), we get a palindrome (47977974).

The spelling of 35552421 in words is "thirty-five million, five hundred fifty-two thousand, four hundred twenty-one".