51928311 has 8 divisors (see below), whose sum is σ = 72881920. Its totient is φ = 32796792.

The previous prime is 51928309. The next prime is 51928321. The reversal of 51928311 is 11382915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51928311 - 2¹ = 51928309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51928301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455455 + ... + 455568.

It is an arithmetic number, because the mean of its divisors is an integer number (9110240).

Almost surely, 2^51928311 is an apocalyptic number.

51928311 is a deficient number, since it is larger than the sum of its proper divisors (20953609).

51928311 is a wasteful number, since it uses less digits than its factorization.

51928311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911045.

The product of its digits is 2160, while the sum is 30.

The square root of 51928311 is about 7206.1300987423. The cubic root of 51928311 is about 373.0795111615.

The spelling of 51928311 in words is "fifty-one million, nine hundred twenty-eight thousand, three hundred eleven".