2620055 has 8 divisors (see below), whose sum is σ = 3203712. Its totient is φ = 2056288.

The previous prime is 2620039. The next prime is 2620073. The reversal of 2620055 is 5500262.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2620055 - 2⁴ = 2620039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (400464).

2^2620055 is an apocalyptic number.

2620055 is a deficient number, since it is larger than the sum of its proper divisors (583657).

2620055 is an equidigital number, since it uses as much as digits as its factorization.

2620055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2620055 is about 1618.6583950914. The cubic root of 2620055 is about 137.8595329086.

The spelling of 2620055 in words is "two million, six hundred twenty thousand, fifty-five".