51132823 has 12 divisors (see below), whose sum is σ = 60459672. Its totient is φ = 43107120.

The previous prime is 51132799. The next prime is 51132827. The reversal of 51132823 is 32823115.

51132823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51132823 - 2⁵ = 51132791 is a prime.

It is a super-2 number, since 2×51132823² = 5229131175898658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132827) 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, 5565 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (5038306).

Almost surely, 2^51132823 is an apocalyptic number.

51132823 is a deficient number, since it is larger than the sum of its proper divisors (9326849).

51132823 is a wasteful number, since it uses less digits than its factorization.

51132823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17182 (or 17175 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 51132823 is about 7150.7218516734. The cubic root of 51132823 is about 371.1646356047.

Adding to 51132823 its reverse (32823115), we get a palindrome (83955938).

The spelling of 51132823 in words is "fifty-one million, one hundred thirty-two thousand, eight hundred twenty-three".