5538605 has 4 divisors (see below), whose sum is σ = 6646332. Its totient is φ = 4430880.

The previous prime is 5538581. The next prime is 5538647. The reversal of 5538605 is 5068355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5068355 = 5 ⋅1013671.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 2920681 = 1618^2 + 1709^2 .

It is not a de Polignac number, because 5538605 - 2⁶ = 5538541 is a prime.

It is a super-2 number, since 2×5538605² = 61352290692050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553856 + ... + 553865.

It is an arithmetic number, because the mean of its divisors is an integer number (1661583).

Almost surely, 2^5538605 is an apocalyptic number.

It is an amenable number.

5538605 is a deficient number, since it is larger than the sum of its proper divisors (1107727).

5538605 is a wasteful number, since it uses less digits than its factorization.

5538605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107726.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5538605 is about 2353.4241011768. The cubic root of 5538605 is about 176.9294514935.

The spelling of 5538605 in words is "five million, five hundred thirty-eight thousand, six hundred five".