5490557 has 4 divisors (see below), whose sum is σ = 5539260. Its totient is φ = 5441856.

The previous prime is 5490553. The next prime is 5490571. The reversal of 5490557 is 7550945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7550945 = 5 ⋅1510189.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 4024036 = 1211^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 5490557 - 2² = 5490553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5490553) 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, 24182 + ... + 24407.

It is an arithmetic number, because the mean of its divisors is an integer number (1384815).

Almost surely, 2^5490557 is an apocalyptic number.

It is an amenable number.

5490557 is a deficient number, since it is larger than the sum of its proper divisors (48703).

5490557 is a wasteful number, since it uses less digits than its factorization.

5490557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48702.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 5490557 is about 2343.1937606609. The cubic root of 5490557 is about 176.4163374437.

The spelling of 5490557 in words is "five million, four hundred ninety thousand, five hundred fifty-seven".