5353661 has 4 divisors (see below), whose sum is σ = 5538300. Its totient is φ = 5169024.

The previous prime is 5353651. The next prime is 5353681. The reversal of 5353661 is 1663535.

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 2044900 + 3308761 = 1430^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 5353661 - 2⁶ = 5353597 is a prime.

It is a super-2 number, since 2×5353661² = 57323372205842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 184609 = 5353661 / (5 + 3 + 5 + 3 + 6 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5353651) 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, 92276 + ... + 92333.

It is an arithmetic number, because the mean of its divisors is an integer number (1384575).

Almost surely, 2^5353661 is an apocalyptic number.

It is an amenable number.

5353661 is a deficient number, since it is larger than the sum of its proper divisors (184639).

5353661 is a wasteful number, since it uses less digits than its factorization.

5353661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184638.

The product of its digits is 8100, while the sum is 29.

The square root of 5353661 is about 2313.7979600648. The cubic root of 5353661 is about 174.9377846868.

The spelling of 5353661 in words is "five million, three hundred fifty-three thousand, six hundred sixty-one".