51098953 has 2 divisors, whose sum is σ = 51098954. Its totient is φ = 51098952.

The previous prime is 51098911. The next prime is 51098959. The reversal of 51098953 is 35989015.

51098953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 14653584 = 6037^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 51098953 - 2¹³ = 51090761 is a prime.

It is a super-2 number, since 2×51098953² = 5222205995392418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51098959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25549476 + 25549477.

It is an arithmetic number, because the mean of its divisors is an integer number (25549477).

Almost surely, 2^51098953 is an apocalyptic number.

It is an amenable number.

51098953 is a deficient number, since it is larger than the sum of its proper divisors (1).

51098953 is an equidigital number, since it uses as much as digits as its factorization.

51098953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 51098953 is about 7148.3531669889. The cubic root of 51098953 is about 371.0826652758.

The spelling of 51098953 in words is "fifty-one million, ninety-eight thousand, nine hundred fifty-three".