51894067 has 2 divisors, whose sum is σ = 51894068. Its totient is φ = 51894066.

The previous prime is 51894053. The next prime is 51894083. The reversal of 51894067 is 76049815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51894067 - 2⁷ = 51893939 is a prime.

It is not a weakly prime, because it can be changed into another prime (51814067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25947033 + 25947034.

It is an arithmetic number, because the mean of its divisors is an integer number (25947034).

Almost surely, 2^51894067 is an apocalyptic number.

51894067 is a deficient number, since it is larger than the sum of its proper divisors (1).

51894067 is an equidigital number, since it uses as much as digits as its factorization.

51894067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 51894067 is about 7203.7536743006. The cubic root of 51894067 is about 372.9974843321.

The spelling of 51894067 in words is "fifty-one million, eight hundred ninety-four thousand, sixty-seven".