51167001 has 8 divisors (see below), whose sum is σ = 68885440. Its totient is φ = 33779952.

The previous prime is 51166949. The next prime is 51167063. The reversal of 51167001 is 10076115.

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

It is not a de Polignac number, because 51167001 - 2⁶ = 51166937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51160001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82486 + ... + 83103.

It is an arithmetic number, because the mean of its divisors is an integer number (8610680).

Almost surely, 2^51167001 is an apocalyptic number.

It is an amenable number.

51167001 is a deficient number, since it is larger than the sum of its proper divisors (17718439).

51167001 is a wasteful number, since it uses less digits than its factorization.

51167001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165695.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51167001 is about 7153.1112811140. Note that the first 3 decimals coincide. The cubic root of 51167001 is about 371.2473146537.

The spelling of 51167001 in words is "fifty-one million, one hundred sixty-seven thousand, one".