5515787 has 2 divisors, whose sum is σ = 5515788. Its totient is φ = 5515786.

The previous prime is 5515729. The next prime is 5515789. The reversal of 5515787 is 7875155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5515787 - 2⁶ = 5515723 is a prime.

Together with 5515789, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515787.

It is not a weakly prime, because it can be changed into another prime (5515789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757893 + 2757894.

It is an arithmetic number, because the mean of its divisors is an integer number (2757894).

Almost surely, 2^5515787 is an apocalyptic number.

5515787 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515787 is an equidigital number, since it uses as much as digits as its factorization.

5515787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49000, while the sum is 38.

The square root of 5515787 is about 2348.5712678137. The cubic root of 5515787 is about 176.6861451566.

The spelling of 5515787 in words is "five million, five hundred fifteen thousand, seven hundred eighty-seven".