51573412 has 48 divisors (see below), whose sum is σ = 102654720. Its totient is φ = 22464000.

The previous prime is 51573377. The next prime is 51573443. The reversal of 51573412 is 21437515.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128412 + ... + 128812.

It is an arithmetic number, because the mean of its divisors is an integer number (2138640).

Almost surely, 2^51573412 is an apocalyptic number.

It is an amenable number.

51573412 is a deficient number, since it is larger than the sum of its proper divisors (51081308).

51573412 is a wasteful number, since it uses less digits than its factorization.

51573412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 51573412 is about 7181.4630821303. The cubic root of 51573412 is about 372.2276422996.

The spelling of 51573412 in words is "fifty-one million, five hundred seventy-three thousand, four hundred twelve".