5109553 has 2 divisors, whose sum is σ = 5109554. Its totient is φ = 5109552.

The previous prime is 5109551. The next prime is 5109557. The reversal of 5109553 is 3559015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4809249 + 300304 = 2193^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109553 - 2¹ = 5109551 is a prime.

It is a super-2 number, since 2×5109553² = 52215063719618, which contains 22 as substring.

Together with 5109551, it forms a pair of twin primes.

5109553 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5109551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554776 + 2554777.

It is an arithmetic number, because the mean of its divisors is an integer number (2554777).

Almost surely, 2^5109553 is an apocalyptic number.

It is an amenable number.

5109553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5109553 is an equidigital number, since it uses as much as digits as its factorization.

5109553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 5109553 is about 2260.4320383502. The cubic root of 5109553 is about 172.2374694483.

The spelling of 5109553 in words is "five million, one hundred nine thousand, five hundred fifty-three".