5615555 has 8 divisors (see below), whose sum is σ = 7351344. Its totient is φ = 4084000.

The previous prime is 5615551. The next prime is 5615563. The reversal of 5615555 is 5555165.

5615555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5615555 - 2² = 5615551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5615551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50996 + ... + 51105.

It is an arithmetic number, because the mean of its divisors is an integer number (918918).

Almost surely, 2^5615555 is an apocalyptic number.

5615555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5615555 is a deficient number, since it is larger than the sum of its proper divisors (1735789).

5615555 is a wasteful number, since it uses less digits than its factorization.

5615555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102117.

The product of its digits is 18750, while the sum is 32.

The square root of 5615555 is about 2369.7162277370. The cubic root of 5615555 is about 177.7450691416.

It can be divided in two parts, 561 and 5555, that added together give a palindrome (6116).

The spelling of 5615555 in words is "five million, six hundred fifteen thousand, five hundred fifty-five".