51373544 has 16 divisors (see below), whose sum is σ = 96672420. Its totient is φ = 25594240.

The previous prime is 51373499. The next prime is 51373573. The reversal of 51373544 is 44537315.

It can be written as a sum of positive squares in 2 ways, for example, as 50951044 + 422500 = 7138^2 + 650^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 51373544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9179 + ... + 13674.

Almost surely, 2^51373544 is an apocalyptic number.

It is an amenable number.

51373544 is a deficient number, since it is larger than the sum of its proper divisors (45298876).

51373544 is a wasteful number, since it uses less digits than its factorization.

51373544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23140 (or 23136 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 51373544 is about 7167.5340250326. The cubic root of 51373544 is about 371.7461751738.

The spelling of 51373544 in words is "fifty-one million, three hundred seventy-three thousand, five hundred forty-four".