51198633 has 12 divisors (see below), whose sum is σ = 74845680. Its totient is φ = 33720696.

The previous prime is 51198619. The next prime is 51198647. The reversal of 51198633 is 33689115.

It is a happy number.

51198633 is a `hidden beast` number, since 5 + 1 + 19 + 8 + 633 = 666.

51198633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51198619) and next prime (51198647).

It is not a de Polignac number, because 51198633 - 2⁶ = 51198569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51198613) 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 in 11 ways as a sum of consecutive naturals, for example, 33523 + ... + 35016.

It is an arithmetic number, because the mean of its divisors is an integer number (6237140).

Almost surely, 2^51198633 is an apocalyptic number.

It is an amenable number.

51198633 is a deficient number, since it is larger than the sum of its proper divisors (23647047).

51198633 is a wasteful number, since it uses less digits than its factorization.

51198633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68628 (or 68625 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51198633 is about 7155.3220053328. The cubic root of 51198633 is about 371.3238019451.

The spelling of 51198633 in words is "fifty-one million, one hundred ninety-eight thousand, six hundred thirty-three".