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5557638 = 23926273
BaseRepresentation
bin10101001100110110000110
3101110100122110
4111030312012
52410321023
6315041450
765145012
oct25146606
911410573
105557638
113156599
121a40286
1311c7858
14a49542
1574ba93
hex54cd86

5557638 has 8 divisors (see below), whose sum is σ = 11115288. Its totient is φ = 1852544.

The previous prime is 5557631. The next prime is 5557661. The reversal of 5557638 is 8367555.

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

5557638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5557596 and 5557605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463131 + ... + 463142.

It is an arithmetic number, because the mean of its divisors is an integer number (1389411).

Almost surely, 25557638 is an apocalyptic number.

5557638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5557638 is a wasteful number, since it uses less digits than its factorization.

5557638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926278.

The product of its digits is 126000, while the sum is 39.

The square root of 5557638 is about 2357.4643157427. The cubic root of 5557638 is about 177.1318880404.

The spelling of 5557638 in words is "five million, five hundred fifty-seven thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 926273 1852546 2778819 5557638