51775193 has 2 divisors, whose sum is σ = 51775194. Its totient is φ = 51775192.

The previous prime is 51775123. The next prime is 51775211. The reversal of 51775193 is 39157715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50580544 + 1194649 = 7112^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 51775193 - 2¹⁰ = 51774169 is a prime.

It is a super-2 number, since 2×51775193² = 5361341220374498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51775103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25887596 + 25887597.

It is an arithmetic number, because the mean of its divisors is an integer number (25887597).

Almost surely, 2^51775193 is an apocalyptic number.

It is an amenable number.

51775193 is a deficient number, since it is larger than the sum of its proper divisors (1).

51775193 is an equidigital number, since it uses as much as digits as its factorization.

51775193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 38.

The square root of 51775193 is about 7195.4981064552. The cubic root of 51775193 is about 372.7124575133.

The spelling of 51775193 in words is "fifty-one million, seven hundred seventy-five thousand, one hundred ninety-three".