51575885 has 8 divisors (see below), whose sum is σ = 62027520. Its totient is φ = 41169744.

The previous prime is 51575869. The next prime is 51575897. The reversal of 51575885 is 58857515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51575885 - 2⁴ = 51575869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 13454.

It is an arithmetic number, because the mean of its divisors is an integer number (7753440).

Almost surely, 2^51575885 is an apocalyptic number.

It is an amenable number.

51575885 is a deficient number, since it is larger than the sum of its proper divisors (10451635).

51575885 is a wasteful number, since it uses less digits than its factorization.

51575885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22747.

The product of its digits is 280000, while the sum is 44.

The square root of 51575885 is about 7181.6352594656. The cubic root of 51575885 is about 372.2335917750.

The spelling of 51575885 in words is "fifty-one million, five hundred seventy-five thousand, eight hundred eighty-five".