51889007 has 2 divisors, whose sum is σ = 51889008. Its totient is φ = 51889006.

The previous prime is 51888937. The next prime is 51889037. The reversal of 51889007 is 70098815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51889007 - 2⁸ = 51888751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51889037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25944503 + 25944504.

It is an arithmetic number, because the mean of its divisors is an integer number (25944504).

Almost surely, 2^51889007 is an apocalyptic number.

51889007 is a deficient number, since it is larger than the sum of its proper divisors (1).

51889007 is an equidigital number, since it uses as much as digits as its factorization.

51889007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 51889007 is about 7203.4024599490. The cubic root of 51889007 is about 372.9853607328.

The spelling of 51889007 in words is "fifty-one million, eight hundred eighty-nine thousand, seven".