13553001 has 80 divisors (see below), whose sum is σ = 26345088. Its totient is φ = 6739200.

The previous prime is 13552997. The next prime is 13553021. The reversal of 13553001 is 10035531.

It is a happy number.

13553001 is a `hidden beast` number, since 135 + 530 + 0 + 1 = 666.

It is not a de Polignac number, because 13553001 - 2² = 13552997 is a prime.

It is a super-2 number, since 2×13553001² = 367367672212002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13553021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 255691 + ... + 255743.

Almost surely, 2^13553001 is an apocalyptic number.

13553001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13553001 is a deficient number, since it is larger than the sum of its proper divisors (12792087).

13553001 is a wasteful number, since it uses less digits than its factorization.

13553001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 13553001 is about 3681.4400714938. The cubic root of 13553001 is about 238.4213577194.

Adding to 13553001 its reverse (10035531), we get a palindrome (23588532).

It can be divided in two parts, 1355 and 3001, that added together give a square (4356 = 66²).

The spelling of 13553001 in words is "thirteen million, five hundred fifty-three thousand, one".