51893143 has 2 divisors, whose sum is σ = 51893144. Its totient is φ = 51893142.

The previous prime is 51893137. The next prime is 51893147. The reversal of 51893143 is 34139815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51893143 - 2⁵ = 51893111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51893099 and 51893108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51893147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25946571 + 25946572.

It is an arithmetic number, because the mean of its divisors is an integer number (25946572).

Almost surely, 2^51893143 is an apocalyptic number.

51893143 is a deficient number, since it is larger than the sum of its proper divisors (1).

51893143 is an equidigital number, since it uses as much as digits as its factorization.

51893143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 51893143 is about 7203.6895407839. The cubic root of 51893143 is about 372.9952705163.

The spelling of 51893143 in words is "fifty-one million, eight hundred ninety-three thousand, one hundred forty-three".