51344773 has 4 divisors (see below), whose sum is σ = 53001088. Its totient is φ = 49688460.

The previous prime is 51344771. The next prime is 51344791. The reversal of 51344773 is 37744315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51344773 - 2¹ = 51344771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344771) 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, 828111 + ... + 828172.

It is an arithmetic number, because the mean of its divisors is an integer number (13250272).

Almost surely, 2^51344773 is an apocalyptic number.

It is an amenable number.

51344773 is a deficient number, since it is larger than the sum of its proper divisors (1656315).

51344773 is a wasteful number, since it uses less digits than its factorization.

51344773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656314.

The product of its digits is 35280, while the sum is 34.

The square root of 51344773 is about 7165.5267077864. The cubic root of 51344773 is about 371.6767652168.

The spelling of 51344773 in words is "fifty-one million, three hundred forty-four thousand, seven hundred seventy-three".