51181048 has 8 divisors (see below), whose sum is σ = 95964480. Its totient is φ = 25590520.

The previous prime is 51181021. The next prime is 51181057. The reversal of 51181048 is 84018115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198808 + ... + 3198823.

It is an arithmetic number, because the mean of its divisors is an integer number (11995560).

Almost surely, 2^51181048 is an apocalyptic number.

It is an amenable number.

51181048 is a deficient number, since it is larger than the sum of its proper divisors (44783432).

51181048 is a wasteful number, since it uses less digits than its factorization.

51181048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397637 (or 6397633 counting only the distinct ones).

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

The square root of 51181048 is about 7154.0930941664. The cubic root of 51181048 is about 371.2812846850.

The spelling of 51181048 in words is "fifty-one million, one hundred eighty-one thousand, forty-eight".