5685553 has 4 divisors (see below), whose sum is σ = 5770480. Its totient is φ = 5600628.

The previous prime is 5685539. The next prime is 5685557. The reversal of 5685553 is 3555865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3555865 = 5 ⋅711173.

It is a cyclic number.

It is not a de Polignac number, because 5685553 - 2²¹ = 3588401 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5685557) 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, 42363 + ... + 42496.

It is an arithmetic number, because the mean of its divisors is an integer number (1442620).

Almost surely, 2^5685553 is an apocalyptic number.

It is an amenable number.

5685553 is a deficient number, since it is larger than the sum of its proper divisors (84927).

5685553 is an equidigital number, since it uses as much as digits as its factorization.

5685553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84926.

The product of its digits is 90000, while the sum is 37.

The square root of 5685553 is about 2384.4397664860. The cubic root of 5685553 is about 178.4805535024.

The spelling of 5685553 in words is "five million, six hundred eighty-five thousand, five hundred fifty-three".