5517381 has 4 divisors (see below), whose sum is σ = 7356512. Its totient is φ = 3678252.

The previous prime is 5517371. The next prime is 5517397. The reversal of 5517381 is 1837155.

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 5517381 - 2¹¹ = 5515333 is a prime.

It is a super-2 number, since 2×5517381² = 60882986198322, 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 (5517311) 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, 919561 + ... + 919566.

It is an arithmetic number, because the mean of its divisors is an integer number (1839128).

Almost surely, 2^5517381 is an apocalyptic number.

It is an amenable number.

5517381 is a deficient number, since it is larger than the sum of its proper divisors (1839131).

5517381 is a wasteful number, since it uses less digits than its factorization.

5517381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839130.

The product of its digits is 4200, while the sum is 30.

The square root of 5517381 is about 2348.9105985541. The cubic root of 5517381 is about 176.7031636159.

The spelling of 5517381 in words is "five million, five hundred seventeen thousand, three hundred eighty-one".