5457490 has 8 divisors (see below), whose sum is σ = 9823500. Its totient is φ = 2182992.

The previous prime is 5457467. The next prime is 5457497. The reversal of 5457490 is 947545.

It can be written as a sum of positive squares in 2 ways, for example, as 4844401 + 613089 = 2201^2 + 783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5457497) 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, 272865 + ... + 272884.

Almost surely, 2^5457490 is an apocalyptic number.

5457490 is a deficient number, since it is larger than the sum of its proper divisors (4366010).

5457490 is a wasteful number, since it uses less digits than its factorization.

5457490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545756.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 5457490 is about 2336.1271369512. The cubic root of 5457490 is about 176.0614669947.

The spelling of 5457490 in words is "five million, four hundred fifty-seven thousand, four hundred ninety".