5513645 has 4 divisors (see below), whose sum is σ = 6616380. Its totient is φ = 4410912.

The previous prime is 5513623. The next prime is 5513663. The reversal of 5513645 is 5463155.

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 1408969 + 4104676 = 1187^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 5513645 - 2¹⁰ = 5512621 is a prime.

It is a super-3 number, since 3×5513645³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 5⁶ + 5⁶ + 1 + 3¹⁴ + 6⁶ + 4⁹ + 5⁸ .

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, 551360 + ... + 551369.

It is an arithmetic number, because the mean of its divisors is an integer number (1654095).

Almost surely, 2^5513645 is an apocalyptic number.

It is an amenable number.

5513645 is a deficient number, since it is larger than the sum of its proper divisors (1102735).

5513645 is a wasteful number, since it uses less digits than its factorization.

5513645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102734.

The product of its digits is 9000, while the sum is 29.

The square root of 5513645 is about 2348.1152016032. The cubic root of 5513645 is about 176.6632707705.

The spelling of 5513645 in words is "five million, five hundred thirteen thousand, six hundred forty-five".