51444298 has 4 divisors (see below), whose sum is σ = 77166450. Its totient is φ = 25722148.

The previous prime is 51444269. The next prime is 51444377. The reversal of 51444298 is 89244415.

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

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 16834609 = 5883^2 + 4103^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861073 + ... + 12861076.

Almost surely, 2^51444298 is an apocalyptic number.

51444298 is a deficient number, since it is larger than the sum of its proper divisors (25722152).

51444298 is a wasteful number, since it uses less digits than its factorization.

51444298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25722151.

The product of its digits is 46080, while the sum is 37.

The square root of 51444298 is about 7172.4680550003. The cubic root of 51444298 is about 371.9167588443.

The spelling of 51444298 in words is "fifty-one million, four hundred forty-four thousand, two hundred ninety-eight".