5545490 has 16 divisors (see below), whose sum is σ = 10086552. Its totient is φ = 2194944.

The previous prime is 5545487. The next prime is 5545493. The reversal of 5545490 is 945455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5545487) and next prime (5545493).

It can be written as a sum of positive squares in 4 ways, for example, as 4507129 + 1038361 = 2123^2 + 1019^2 .

It is not an unprimeable number, because it can be changed into a prime (5545493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889 + ... + 3828.

Almost surely, 2^5545490 is an apocalyptic number.

5545490 is a deficient number, since it is larger than the sum of its proper divisors (4541062).

5545490 is a wasteful number, since it uses less digits than its factorization.

5545490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5545490 is about 2354.8864091501. The cubic root of 5545490 is about 177.0027343785.

The spelling of 5545490 in words is "five million, five hundred forty-five thousand, four hundred ninety".