51055351 has 2 divisors, whose sum is σ = 51055352. Its totient is φ = 51055350.

The previous prime is 51055343. The next prime is 51055387. The reversal of 51055351 is 15355015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51055351 - 2³ = 51055343 is a prime.

It is equal to p_3060565 and since 51055351 and 3060565 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51055751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527675 + 25527676.

It is an arithmetic number, because the mean of its divisors is an integer number (25527676).

Almost surely, 2^51055351 is an apocalyptic number.

51055351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055351 is an equidigital number, since it uses as much as digits as its factorization.

51055351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 51055351 is about 7145.3027227683. The cubic root of 51055351 is about 370.9770887448.

The spelling of 51055351 in words is "fifty-one million, fifty-five thousand, three hundred fifty-one".