5578381 has 4 divisors (see below), whose sum is σ = 5872000. Its totient is φ = 5284764.

The previous prime is 5578369. The next prime is 5578387. The reversal of 5578381 is 1838755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1838755 = 5 ⋅367751.

It is a cyclic number.

It is not a de Polignac number, because 5578381 - 2²¹ = 3481229 is a prime.

It is a super-2 number, since 2×5578381² = 62236669162322, which contains 22 as substring.

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 5578381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5578387) 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, 146781 + ... + 146818.

It is an arithmetic number, because the mean of its divisors is an integer number (1468000).

Almost surely, 2^5578381 is an apocalyptic number.

It is an amenable number.

5578381 is a deficient number, since it is larger than the sum of its proper divisors (293619).

5578381 is a wasteful number, since it uses less digits than its factorization.

5578381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293618.

The product of its digits is 33600, while the sum is 37.

The square root of 5578381 is about 2361.8596486667. The cubic root of 5578381 is about 177.3519866403.

The spelling of 5578381 in words is "five million, five hundred seventy-eight thousand, three hundred eighty-one".