51567328 has 12 divisors (see below), whose sum is σ = 101523240. Its totient is φ = 25783648.

The previous prime is 51567317. The next prime is 51567343. The reversal of 51567328 is 82376515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805708 + ... + 805771.

It is an arithmetic number, because the mean of its divisors is an integer number (8460270).

Almost surely, 2^51567328 is an apocalyptic number.

It is an amenable number.

51567328 is a deficient number, since it is larger than the sum of its proper divisors (49955912).

51567328 is a wasteful number, since it uses less digits than its factorization.

51567328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611489 (or 1611481 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 51567328 is about 7181.0394790727. The cubic root of 51567328 is about 372.2130047700.

The spelling of 51567328 in words is "fifty-one million, five hundred sixty-seven thousand, three hundred twenty-eight".