2750553 has 12 divisors (see below), whose sum is σ = 4278820. Its totient is φ = 1692576.

The previous prime is 2750513. The next prime is 2750557. The reversal of 2750553 is 3550572.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 1016064 = 1317^2 + 1008^2 .

It is not a de Polignac number, because 2750553 - 2¹³ = 2742361 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2750557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11638 + ... + 11871.

2^2750553 is an apocalyptic number.

It is an amenable number.

2750553 is a deficient number, since it is larger than the sum of its proper divisors (1528267).

2750553 is a wasteful number, since it uses less digits than its factorization.

2750553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23528 (or 23525 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 2750553 is about 1658.4791225698. The cubic root of 2750553 is about 140.1113569806. Note that the first 3 decimals are identical.

The spelling of 2750553 in words is "two million, seven hundred fifty thousand, five hundred fifty-three".