51646099 has 8 divisors (see below), whose sum is σ = 52081920. Its totient is φ = 51212616.

The previous prime is 51646097. The next prime is 51646103. The reversal of 51646099 is 99064615.

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 51646099 - 2¹ = 51646097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51646097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94144 + ... + 94690.

It is an arithmetic number, because the mean of its divisors is an integer number (6510240).

Almost surely, 2^51646099 is an apocalyptic number.

51646099 is a deficient number, since it is larger than the sum of its proper divisors (435821).

51646099 is a wasteful number, since it uses less digits than its factorization.

51646099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 51646099 is about 7186.5220378150. The cubic root of 51646099 is about 372.4024313926.

The spelling of 51646099 in words is "fifty-one million, six hundred forty-six thousand, ninety-nine".