5616551 has 4 divisors (see below), whose sum is σ = 5626272. Its totient is φ = 5606832.

The previous prime is 5616473. The next prime is 5616553. The reversal of 5616551 is 1556165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5616551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5616553) 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, 3935 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (1406568).

Almost surely, 2^5616551 is an apocalyptic number.

5616551 is a deficient number, since it is larger than the sum of its proper divisors (9721).

5616551 is an equidigital number, since it uses as much as digits as its factorization.

5616551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720.

The product of its digits is 4500, while the sum is 29.

The square root of 5616551 is about 2369.9263701643. The cubic root of 5616551 is about 177.7555770744.

The spelling of 5616551 in words is "five million, six hundred sixteen thousand, five hundred fifty-one".