51106683 has 4 divisors (see below), whose sum is σ = 68142248. Its totient is φ = 34071120.

The previous prime is 51106673. The next prime is 51106691. The reversal of 51106683 is 38660115.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51106683 - 2⁸ = 51106427 is a prime.

It is a super-2 number, since 2×51106683² = 5223786094524978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51106683.

It is not an unprimeable number, because it can be changed into a prime (51106603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517778 + ... + 8517783.

It is an arithmetic number, because the mean of its divisors is an integer number (17035562).

Almost surely, 2^51106683 is an apocalyptic number.

51106683 is a deficient number, since it is larger than the sum of its proper divisors (17035565).

51106683 is a wasteful number, since it uses less digits than its factorization.

51106683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035564.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 51106683 is about 7148.8938305167. The cubic root of 51106683 is about 371.1013761900.

Adding to 51106683 its reverse (38660115), we get a palindrome (89766798).

The spelling of 51106683 in words is "fifty-one million, one hundred six thousand, six hundred eighty-three".