5513987 has 2 divisors, whose sum is σ = 5513988. Its totient is φ = 5513986.

The previous prime is 5513953. The next prime is 5514007. The reversal of 5513987 is 7893155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5513987 - 2⁶ = 5513923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5513987.

It is not a weakly prime, because it can be changed into another prime (5513917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756993 + 2756994.

It is an arithmetic number, because the mean of its divisors is an integer number (2756994).

Almost surely, 2^5513987 is an apocalyptic number.

5513987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5513987 is an equidigital number, since it uses as much as digits as its factorization.

5513987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 5513987 is about 2348.1880248396. The cubic root of 5513987 is about 176.6669233808. Note that the first 3 decimals are identical.

The spelling of 5513987 in words is "five million, five hundred thirteen thousand, nine hundred eighty-seven".