51408948 has 24 divisors (see below), whose sum is σ = 121121728. Its totient is φ = 16969536.

The previous prime is 51408937. The next prime is 51408953. The reversal of 51408948 is 84980415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19561 + ... + 22032.

Almost surely, 2^51408948 is an apocalyptic number.

It is an amenable number.

51408948 is an abundant number, since it is smaller than the sum of its proper divisors (69712780).

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

51408948 is a wasteful number, since it uses less digits than its factorization.

51408948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41703 (or 41701 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 51408948 is about 7170.0033472796. The cubic root of 51408948 is about 371.8315516689.

The spelling of 51408948 in words is "fifty-one million, four hundred eight thousand, nine hundred forty-eight".