5538221457 has 8 divisors (see below), whose sum is σ = 7583870976. Its totient is φ = 3592359792.

The previous prime is 5538221401. The next prime is 5538221477. The reversal of 5538221457 is 7541228355.

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

It is not a de Polignac number, because 5538221457 - 2²³ = 5529832849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5538221477) 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, 24946833 + ... + 24947054.

It is an arithmetic number, because the mean of its divisors is an integer number (947983872).

Almost surely, 2^5538221457 is an apocalyptic number.

It is an amenable number.

5538221457 is a deficient number, since it is larger than the sum of its proper divisors (2045649519).

5538221457 is a wasteful number, since it uses less digits than its factorization.

5538221457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49893927.

The product of its digits is 336000, while the sum is 42.

The square root of 5538221457 is about 74419.2277371917. The cubic root of 5538221457 is about 1769.2536733513.

The spelling of 5538221457 in words is "five billion, five hundred thirty-eight million, two hundred twenty-one thousand, four hundred fifty-seven".