51246448 has 20 divisors (see below), whose sum is σ = 108316728. Its totient is φ = 23293760.

The previous prime is 51246421. The next prime is 51246463. The reversal of 51246448 is 84464215.

It is a congruent number.

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, 145411 + ... + 145762.

Almost surely, 2^51246448 is an apocalyptic number.

It is an amenable number.

51246448 is an abundant number, since it is smaller than the sum of its proper divisors (57070280).

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

51246448 is a wasteful number, since it uses less digits than its factorization.

51246448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291192 (or 291186 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 51246448 is about 7158.6624448985. The cubic root of 51246448 is about 371.4393605206.

The spelling of 51246448 in words is "fifty-one million, two hundred forty-six thousand, four hundred forty-eight".