5553381 has 4 divisors (see below), whose sum is σ = 7404512. Its totient is φ = 3702252.

The previous prime is 5553349. The next prime is 5553389. The reversal of 5553381 is 1833555.

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 not a de Polignac number, because 5553381 - 2⁵ = 5553349 is a prime.

It is a super-2 number, since 2×5553381² = 61680081062322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5553389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925561 + ... + 925566.

It is an arithmetic number, because the mean of its divisors is an integer number (1851128).

Almost surely, 2^5553381 is an apocalyptic number.

It is an amenable number.

5553381 is a deficient number, since it is larger than the sum of its proper divisors (1851131).

5553381 is a wasteful number, since it uses less digits than its factorization.

5553381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851130.

The product of its digits is 9000, while the sum is 30.

The square root of 5553381 is about 2356.5612659127. The cubic root of 5553381 is about 177.0866504138.

The spelling of 5553381 in words is "five million, five hundred fifty-three thousand, three hundred eighty-one".