51477148 has 12 divisors (see below), whose sum is σ = 90319320. Its totient is φ = 25671632.

The previous prime is 51477133. The next prime is 51477161. The reversal of 51477148 is 84177415.

51477148 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 3 ways as a sum of consecutive naturals, for example, 14986 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (7526610).

Almost surely, 2^51477148 is an apocalyptic number.

It is an amenable number.

51477148 is a deficient number, since it is larger than the sum of its proper divisors (38842172).

51477148 is a wasteful number, since it uses less digits than its factorization.

51477148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476 (or 33474 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 51477148 is about 7174.7576962571. The cubic root of 51477148 is about 371.9959050692.

The spelling of 51477148 in words is "fifty-one million, four hundred seventy-seven thousand, one hundred forty-eight".