51810148 has 24 divisors (see below), whose sum is σ = 97858880. Its totient is φ = 23859360.

The previous prime is 51810139. The next prime is 51810151. The reversal of 51810148 is 84101815.

51810148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32023 + ... + 33601.

Almost surely, 2^51810148 is an apocalyptic number.

It is an amenable number.

51810148 is a deficient number, since it is larger than the sum of its proper divisors (46048732).

51810148 is a wasteful number, since it uses less digits than its factorization.

51810148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 51810148 is about 7197.9266459169. The cubic root of 51810148 is about 372.7963151318.

The spelling of 51810148 in words is "fifty-one million, eight hundred ten thousand, one hundred forty-eight".