51928272 has 60 divisors (see below), whose sum is σ = 158543424. Its totient is φ = 15735360.

The previous prime is 51928267. The next prime is 51928301. The reversal of 51928272 is 27282915.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14808 + ... + 17975.

Almost surely, 2^51928272 is an apocalyptic number.

It is an amenable number.

51928272 is an abundant number, since it is smaller than the sum of its proper divisors (106615152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51928272 is a wasteful number, since it uses less digits than its factorization.

51928272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32808 (or 32799 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 51928272 is about 7206.1273927124. The cubic root of 51928272 is about 373.0794177628.

The spelling of 51928272 in words is "fifty-one million, nine hundred twenty-eight thousand, two hundred seventy-two".