51570068 has 12 divisors (see below), whose sum is σ = 98452032. Its totient is φ = 23440920.

The previous prime is 51570067. The next prime is 51570083. The reversal of 51570068 is 86007515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51570067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585980 + ... + 586067.

It is an arithmetic number, because the mean of its divisors is an integer number (8204336).

Almost surely, 2^51570068 is an apocalyptic number.

It is an amenable number.

51570068 is a deficient number, since it is larger than the sum of its proper divisors (46881964).

51570068 is a wasteful number, since it uses less digits than its factorization.

51570068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172062 (or 1172060 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 51570068 is about 7181.2302567179. The cubic root of 51570068 is about 372.2195970938.

The spelling of 51570068 in words is "fifty-one million, five hundred seventy thousand, sixty-eight".