51715001 has 8 divisors (see below), whose sum is σ = 56120064. Its totient is φ = 47370960.

The previous prime is 51714997. The next prime is 51715019. The reversal of 51715001 is 10051715.

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

It is not a de Polignac number, because 51715001 - 2² = 51714997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51711001) 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, 13481 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (7015008).

Almost surely, 2^51715001 is an apocalyptic number.

It is an amenable number.

51715001 is a deficient number, since it is larger than the sum of its proper divisors (4405063).

51715001 is a wasteful number, since it uses less digits than its factorization.

51715001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 51715001 is about 7191.3142748735. The cubic root of 51715001 is about 372.5679674184.

Adding to 51715001 its reverse (10051715), we get a palindrome (61766716).

The spelling of 51715001 in words is "fifty-one million, seven hundred fifteen thousand, one".