51601206 has 32 divisors (see below), whose sum is σ = 107993088. Its totient is φ = 16420160.

The previous prime is 51601157. The next prime is 51601211. The reversal of 51601206 is 60210615.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9331 + ... + 13793.

It is an arithmetic number, because the mean of its divisors is an integer number (3374784).

Almost surely, 2^51601206 is an apocalyptic number.

51601206 is an abundant number, since it is smaller than the sum of its proper divisors (56391882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51601206 is a wasteful number, since it uses less digits than its factorization.

51601206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51601206 is about 7183.3979424782. The cubic root of 51601206 is about 372.2944974015.

The spelling of 51601206 in words is "fifty-one million, six hundred one thousand, two hundred six".