5557493 has 4 divisors (see below), whose sum is σ = 5566380. Its totient is φ = 5548608.

The previous prime is 5557483. The next prime is 5557499. The reversal of 5557493 is 3947555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3947555 = 5 ⋅789511.

It can be written as a sum of positive squares in 2 ways, for example, as 3301489 + 2256004 = 1817^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 5557493 - 2⁴ = 5557477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557499) 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, 3428 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (1391595).

Almost surely, 2^5557493 is an apocalyptic number.

It is an amenable number.

5557493 is a deficient number, since it is larger than the sum of its proper divisors (8887).

5557493 is an equidigital number, since it uses as much as digits as its factorization.

5557493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

The product of its digits is 94500, while the sum is 38.

The square root of 5557493 is about 2357.4335621603. The cubic root of 5557493 is about 177.1303475570.

The spelling of 5557493 in words is "five million, five hundred fifty-seven thousand, four hundred ninety-three".