51928775 has 6 divisors (see below), whose sum is σ = 64391712. Its totient is φ = 41543000.

The previous prime is 51928759. The next prime is 51928781. The reversal of 51928775 is 57782915.

It is not a de Polignac number, because 51928775 - 2⁴ = 51928759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1038551 + ... + 1038600.

It is an arithmetic number, because the mean of its divisors is an integer number (10731952).

Almost surely, 2^51928775 is an apocalyptic number.

51928775 is a deficient number, since it is larger than the sum of its proper divisors (12462937).

51928775 is a wasteful number, since it uses less digits than its factorization.

51928775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077161 (or 2077156 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 51928775 is about 7206.1622934819. The cubic root of 51928775 is about 373.0806223625.

The spelling of 51928775 in words is "fifty-one million, nine hundred twenty-eight thousand, seven hundred seventy-five".