51672001 has 8 divisors (see below), whose sum is σ = 54653600. Its totient is φ = 48716640.

The previous prime is 51671989. The next prime is 51672011. The reversal of 51672001 is 10027615.

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 51672001 - 2⁵ = 51671969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51672011) 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, 2436 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (6831700).

Almost surely, 2^51672001 is an apocalyptic number.

It is an amenable number.

51672001 is a deficient number, since it is larger than the sum of its proper divisors (2981599).

51672001 is a wasteful number, since it uses less digits than its factorization.

51672001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 51672001 is about 7188.3239353830. The cubic root of 51672001 is about 372.4646778212.

Adding to 51672001 its reverse (10027615), we get a palindrome (61699616).

The spelling of 51672001 in words is "fifty-one million, six hundred seventy-two thousand, one".