51028412 has 12 divisors (see below), whose sum is σ = 89675040. Its totient is φ = 25406976.

The previous prime is 51028409. The next prime is 51028447. The reversal of 51028412 is 21482015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25733 + ... + 27644.

It is an arithmetic number, because the mean of its divisors is an integer number (7472920).

Almost surely, 2^51028412 is an apocalyptic number.

It is an amenable number.

51028412 is a deficient number, since it is larger than the sum of its proper divisors (38646628).

51028412 is a wasteful number, since it uses less digits than its factorization.

51028412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620 (or 53618 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 51028412 is about 7143.4173894572. The cubic root of 51028412 is about 370.9118294408.

The spelling of 51028412 in words is "fifty-one million, twenty-eight thousand, four hundred twelve".