51232773 has 16 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 33317616.

The previous prime is 51232771. The next prime is 51232789. The reversal of 51232773 is 37723215.

It is not a de Polignac number, because 51232773 - 2¹ = 51232771 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51232773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82458 + ... + 83076.

It is an arithmetic number, because the mean of its divisors is an integer number (4374720).

Almost surely, 2^51232773 is an apocalyptic number.

It is an amenable number.

51232773 is a deficient number, since it is larger than the sum of its proper divisors (18762747).

51232773 is a wasteful number, since it uses less digits than its factorization.

51232773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its digits is 8820, while the sum is 30.

The square root of 51232773 is about 7157.7072446420. The cubic root of 51232773 is about 371.4063183273.

Adding to 51232773 its reverse (37723215), we get a palindrome (88955988).

The spelling of 51232773 in words is "fifty-one million, two hundred thirty-two thousand, seven hundred seventy-three".