51693063 has 8 divisors (see below), whose sum is σ = 69168768. Its totient is φ = 34339704.

The previous prime is 51693023. The next prime is 51693067. The reversal of 51693063 is 36039615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51693063 - 2⁶ = 51692999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51693067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29595 + ... + 31292.

It is an arithmetic number, because the mean of its divisors is an integer number (8646096).

Almost surely, 2^51693063 is an apocalyptic number.

51693063 is a deficient number, since it is larger than the sum of its proper divisors (17475705).

51693063 is a wasteful number, since it uses less digits than its factorization.

51693063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61173.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 51693063 is about 7189.7888007924. The cubic root of 51693063 is about 372.5152776642.

The spelling of 51693063 in words is "fifty-one million, six hundred ninety-three thousand, sixty-three".