5541815 has 4 divisors (see below), whose sum is σ = 6650184. Its totient is φ = 4433448.

The previous prime is 5541799. The next prime is 5541841. The reversal of 5541815 is 5181455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5181455 = 5 ⋅1036291.

It is a cyclic number.

It is not a de Polignac number, because 5541815 - 2⁴ = 5541799 is a prime.

It is a Duffinian 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, 554177 + ... + 554186.

It is an arithmetic number, because the mean of its divisors is an integer number (1662546).

Almost surely, 2^5541815 is an apocalyptic number.

5541815 is a deficient number, since it is larger than the sum of its proper divisors (1108369).

5541815 is a wasteful number, since it uses less digits than its factorization.

5541815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108368.

The product of its digits is 4000, while the sum is 29.

The square root of 5541815 is about 2354.1059874186. The cubic root of 5541815 is about 176.9636257939.

The spelling of 5541815 in words is "five million, five hundred forty-one thousand, eight hundred fifteen".