51452242 has 8 divisors (see below), whose sum is σ = 80534016. Its totient is φ = 24607572.

The previous prime is 51452231. The next prime is 51452267. The reversal of 51452242 is 24225415.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 559218 + ... + 559309.

It is an arithmetic number, because the mean of its divisors is an integer number (10066752).

Almost surely, 2^51452242 is an apocalyptic number.

51452242 is a deficient number, since it is larger than the sum of its proper divisors (29081774).

51452242 is a wasteful number, since it uses less digits than its factorization.

51452242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118552.

The product of its digits is 3200, while the sum is 25.

The square root of 51452242 is about 7173.0218178952. The cubic root of 51452242 is about 371.9359015856.

Adding to 51452242 its reverse (24225415), we get a palindrome (75677657).

The spelling of 51452242 in words is "fifty-one million, four hundred fifty-two thousand, two hundred forty-two".