51093458 has 8 divisors (see below), whose sum is σ = 82535628. Its totient is φ = 23581584.

The previous prime is 51093457. The next prime is 51093461. The reversal of 51093458 is 85439015.

It can be written as a sum of positive squares in 2 ways, for example, as 42549529 + 8543929 = 6523^2 + 2923^2 .

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

It is a super-2 number, since 2×51093458² = 5221082900795528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51093457) 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, 982541 + ... + 982592.

Almost surely, 2^51093458 is an apocalyptic number.

51093458 is a deficient number, since it is larger than the sum of its proper divisors (31442170).

51093458 is a wasteful number, since it uses less digits than its factorization.

51093458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965148.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 51093458 is about 7147.9688023941. The cubic root of 51093458 is about 371.0693631615.

The spelling of 51093458 in words is "fifty-one million, ninety-three thousand, four hundred fifty-eight".