51773941 has 4 divisors (see below), whose sum is σ = 51835212. Its totient is φ = 51712672.

The previous prime is 51773929. The next prime is 51773947. The reversal of 51773941 is 14937715.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 4906225 = 6846^2 + 2215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51773941 is a prime.

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 51773941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51773947) 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, 29350 + ... + 31063.

It is an arithmetic number, because the mean of its divisors is an integer number (12958803).

Almost surely, 2^51773941 is an apocalyptic number.

It is an amenable number.

51773941 is a deficient number, since it is larger than the sum of its proper divisors (61271).

51773941 is an equidigital number, since it uses as much as digits as its factorization.

51773941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61270.

The product of its digits is 26460, while the sum is 37.

The square root of 51773941 is about 7195.4111070876. The cubic root of 51773941 is about 372.7094532447.

The spelling of 51773941 in words is "fifty-one million, seven hundred seventy-three thousand, nine hundred forty-one".