5475649 has 4 divisors (see below), whose sum is σ = 5797764. Its totient is φ = 5153536.

The previous prime is 5475643. The next prime is 5475653. The reversal of 5475649 is 9465745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 1199025 = 2068^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 5475649 - 2⁷ = 5475521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5475643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161032 + ... + 161065.

It is an arithmetic number, because the mean of its divisors is an integer number (1449441).

Almost surely, 2^5475649 is an apocalyptic number.

It is an amenable number.

5475649 is a deficient number, since it is larger than the sum of its proper divisors (322115).

5475649 is a wasteful number, since it uses less digits than its factorization.

5475649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322114.

The product of its digits is 151200, while the sum is 40.

The square root of 5475649 is about 2340.0104700620. The cubic root of 5475649 is about 176.2565237429.

It can be divided in two parts, 54756 and 49, that multiplied together give a square (2683044 = 1638²).

The spelling of 5475649 in words is "five million, four hundred seventy-five thousand, six hundred forty-nine".