51928490 has 16 divisors (see below), whose sum is σ = 93620448. Its totient is φ = 20738256.

The previous prime is 51928451. The next prime is 51928493. The reversal of 51928490 is 9482915.

51928490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51928493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3029 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (5851278).

Almost surely, 2^51928490 is an apocalyptic number.

51928490 is a deficient number, since it is larger than the sum of its proper divisors (41691958).

51928490 is a wasteful number, since it uses less digits than its factorization.

51928490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 51928490 is about 7206.1425187128. The cubic root of 51928490 is about 373.0799398368.

The spelling of 51928490 in words is "fifty-one million, nine hundred twenty-eight thousand, four hundred ninety".