51744242 has 8 divisors (see below), whose sum is σ = 84672432. Its totient is φ = 23520100.

The previous prime is 51744229. The next prime is 51744247. The reversal of 51744242 is 24244715.

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

It is not an unprimeable number, because it can be changed into a prime (51744247) 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, 1175984 + ... + 1176027.

It is an arithmetic number, because the mean of its divisors is an integer number (10584054).

Almost surely, 2^51744242 is an apocalyptic number.

51744242 is a deficient number, since it is larger than the sum of its proper divisors (32928190).

51744242 is a wasteful number, since it uses less digits than its factorization.

51744242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352024.

The product of its digits is 8960, while the sum is 29.

The square root of 51744242 is about 7193.3470651707. The cubic root of 51744242 is about 372.6381740450.

Adding to 51744242 its reverse (24244715), we get a palindrome (75988957).

The spelling of 51744242 in words is "fifty-one million, seven hundred forty-four thousand, two hundred forty-two".