5540515 has 4 divisors (see below), whose sum is σ = 6648624. Its totient is φ = 4432408.

The previous prime is 5540497. The next prime is 5540519. The reversal of 5540515 is 5150455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5150455 = 5 ⋅1030091.

It is a cyclic number.

It is not a de Polignac number, because 5540515 - 2⁷ = 5540387 is a prime.

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 5540515.

It is not an unprimeable number, because it can be changed into a prime (5540519) 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, 554047 + ... + 554056.

It is an arithmetic number, because the mean of its divisors is an integer number (1662156).

Almost surely, 2^5540515 is an apocalyptic number.

5540515 is a deficient number, since it is larger than the sum of its proper divisors (1108109).

5540515 is a wasteful number, since it uses less digits than its factorization.

5540515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108108.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5540515 is about 2353.8298579124. The cubic root of 5540515 is about 176.9497873249.

The spelling of 5540515 in words is "five million, five hundred forty thousand, five hundred fifteen".