51928534 has 24 divisors (see below), whose sum is σ = 93538368. Its totient is φ = 21535920.

The previous prime is 51928493. The next prime is 51928543. The reversal of 51928534 is 43582915.

It is a junction number, because it is equal to n+sod(n) for n = 51928493 and 51928502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5509 + ... + 11584.

It is an arithmetic number, because the mean of its divisors is an integer number (3897432).

Almost surely, 2^51928534 is an apocalyptic number.

51928534 is a deficient number, since it is larger than the sum of its proper divisors (41609834).

51928534 is a wasteful number, since it uses less digits than its factorization.

51928534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17140 (or 17133 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 51928534 is about 7206.1455716631. The cubic root of 51928534 is about 373.0800452093.

The spelling of 51928534 in words is "fifty-one million, nine hundred twenty-eight thousand, five hundred thirty-four".