51796445 has 4 divisors (see below), whose sum is σ = 62155740. Its totient is φ = 41437152.

The previous prime is 51796421. The next prime is 51796447. The reversal of 51796445 is 54469715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54469715 = 5 ⋅10893943.

It can be written as a sum of positive squares in 2 ways, for example, as 14182756 + 37613689 = 3766^2 + 6133^2 .

It is a cyclic number.

It is not a de Polignac number, because 51796445 - 2²² = 47602141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51796447) 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, 5179640 + ... + 5179649.

It is an arithmetic number, because the mean of its divisors is an integer number (15538935).

Almost surely, 2^51796445 is an apocalyptic number.

It is an amenable number.

51796445 is a deficient number, since it is larger than the sum of its proper divisors (10359295).

51796445 is a wasteful number, since it uses less digits than its factorization.

51796445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359294.

The product of its digits is 151200, while the sum is 41.

The square root of 51796445 is about 7196.9747116410. The cubic root of 51796445 is about 372.7634459061.

The spelling of 51796445 in words is "fifty-one million, seven hundred ninety-six thousand, four hundred forty-five".