6553745 has 8 divisors (see below), whose sum is σ = 8579520. Its totient is φ = 4766320.

The previous prime is 6553733. The next prime is 6553769. The reversal of 6553745 is 5473556.

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

It is not a de Polignac number, because 6553745 - 2⁸ = 6553489 is a prime.

It is an Ulam 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, 59525 + ... + 59634.

It is an arithmetic number, because the mean of its divisors is an integer number (1072440).

Almost surely, 2^6553745 is an apocalyptic number.

It is an amenable number.

6553745 is a deficient number, since it is larger than the sum of its proper divisors (2025775).

6553745 is a wasteful number, since it uses less digits than its factorization.

6553745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119175.

The product of its digits is 63000, while the sum is 35.

The square root of 6553745 is about 2560.0283201559. The cubic root of 6553745 is about 187.1385153870.

The spelling of 6553745 in words is "six million, five hundred fifty-three thousand, seven hundred forty-five".