2553766 has 8 divisors (see below), whose sum is σ = 3873960. Its totient is φ = 1262448.

The previous prime is 2553751. The next prime is 2553781. The reversal of 2553766 is 6673552.

It is an interprime number because it is at equal distance from previous prime (2553751) and next prime (2553781).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (484245).

2^2553766 is an apocalyptic number.

2553766 is a deficient number, since it is larger than the sum of its proper divisors (1320194).

2553766 is a wasteful number, since it uses less digits than its factorization.

2553766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438.

The product of its digits is 37800, while the sum is 34.

The square root of 2553766 is about 1598.0506875566. The cubic root of 2553766 is about 136.6869439144.

The spelling of 2553766 in words is "two million, five hundred fifty-three thousand, seven hundred sixty-six".