51242346 has 12 divisors (see below), whose sum is σ = 111025122. Its totient is φ = 17080776.

The previous prime is 51242339. The next prime is 51242371. The reversal of 51242346 is 64324215.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 19263321 = 5655^2 + 4389^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1423381 + ... + 1423416.

Almost surely, 2^51242346 is an apocalyptic number.

51242346 is an abundant number, since it is smaller than the sum of its proper divisors (59782776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51242346 is a wasteful number, since it uses less digits than its factorization.

51242346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846805 (or 2846802 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 51242346 is about 7158.3759331290. The cubic root of 51242346 is about 371.4294496880.

The spelling of 51242346 in words is "fifty-one million, two hundred forty-two thousand, three hundred forty-six".