51367773 has 12 divisors (see below), whose sum is σ = 72286368. Its totient is φ = 32442120.

The previous prime is 51367769. The next prime is 51367777. The reversal of 51367773 is 37776315.

It is an interprime number because it is at equal distance from previous prime (51367769) and next prime (51367777).

It is not a de Polignac number, because 51367773 - 2² = 51367769 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51367777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22633 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (6023864).

Almost surely, 2^51367773 is an apocalyptic number.

It is an amenable number.

51367773 is a deficient number, since it is larger than the sum of its proper divisors (20918595).

51367773 is a wasteful number, since it uses less digits than its factorization.

51367773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47472 (or 47453 counting only the distinct ones).

The product of its digits is 92610, while the sum is 39.

The square root of 51367773 is about 7167.1314345420. The cubic root of 51367773 is about 371.7322547306.

It can be divided in two parts, 513 and 67773, that added together give a palindrome (68286).

The spelling of 51367773 in words is "fifty-one million, three hundred sixty-seven thousand, seven hundred seventy-three".