51193773 has 12 divisors (see below), whose sum is σ = 74076288. Its totient is φ = 34069320.

The previous prime is 51193757. The next prime is 51193777. The reversal of 51193773 is 37739115.

It is not a de Polignac number, because 51193773 - 2⁴ = 51193757 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51193777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (6173024).

Almost surely, 2^51193773 is an apocalyptic number.

It is an amenable number.

51193773 is a deficient number, since it is larger than the sum of its proper divisors (22882515).

51193773 is a wasteful number, since it uses less digits than its factorization.

51193773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984 (or 9981 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 51193773 is about 7154.9823899154. The cubic root of 51193773 is about 371.3120523424.

The spelling of 51193773 in words is "fifty-one million, one hundred ninety-three thousand, seven hundred seventy-three".