51084193 has 4 divisors (see below), whose sum is σ = 51145920. Its totient is φ = 51022468.

The previous prime is 51084191. The next prime is 51084197. The reversal of 51084193 is 39148015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39148015 = 5 ⋅7829603.

It is a cyclic number.

It is not a de Polignac number, because 51084193 - 2¹ = 51084191 is a prime.

It is a super-2 number, since 2×51084193² = 5219189548922498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51084191) 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, 29605 + ... + 31282.

It is an arithmetic number, because the mean of its divisors is an integer number (12786480).

Almost surely, 2^51084193 is an apocalyptic number.

It is an amenable number.

51084193 is a deficient number, since it is larger than the sum of its proper divisors (61727).

51084193 is an equidigital number, since it uses as much as digits as its factorization.

51084193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61726.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 51084193 is about 7147.3206868029. The cubic root of 51084193 is about 371.0469325960.

The spelling of 51084193 in words is "fifty-one million, eighty-four thousand, one hundred ninety-three".