51127928 has 32 divisors (see below), whose sum is σ = 102384000. Its totient is φ = 23882880.

The previous prime is 51127927. The next prime is 51128003. The reversal of 51127928 is 82972115.

It is a super-2 number, since 2×51127928² = 5228130043146368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51127927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638 + ... + 10746.

It is an arithmetic number, because the mean of its divisors is an integer number (3199500).

Almost surely, 2^51127928 is an apocalyptic number.

51127928 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51127928 is an abundant number, since it is smaller than the sum of its proper divisors (51256072).

51127928 is a wasteful number, since it uses less digits than its factorization.

51127928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175 (or 7171 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 51127928 is about 7150.3795703445. The cubic root of 51127928 is about 371.1527912305.

The spelling of 51127928 in words is "fifty-one million, one hundred twenty-seven thousand, nine hundred twenty-eight".