51465948 has 24 divisors (see below), whose sum is σ = 120236928. Its totient is φ = 17133936.

The previous prime is 51465929. The next prime is 51465961. The reversal of 51465948 is 84956415.

51465948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9615 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (5009872).

Almost surely, 2^51465948 is an apocalyptic number.

It is an amenable number.

51465948 is an abundant number, since it is smaller than the sum of its proper divisors (68770980).

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

51465948 is a wasteful number, since it uses less digits than its factorization.

51465948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5351 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 51465948 is about 7173.9771396346. The cubic root of 51465948 is about 371.9689244477.

The spelling of 51465948 in words is "fifty-one million, four hundred sixty-five thousand, nine hundred forty-eight".