51601696 has 24 divisors (see below), whose sum is σ = 106009344. Its totient is φ = 24678720.

The previous prime is 51601691. The next prime is 51601703. The reversal of 51601696 is 69610615.

It is not an unprimeable number, because it can be changed into a prime (51601691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34320 + ... + 35791.

It is an arithmetic number, because the mean of its divisors is an integer number (4417056).

Almost surely, 2^51601696 is an apocalyptic number.

It is an amenable number.

51601696 is an abundant number, since it is smaller than the sum of its proper divisors (54407648).

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

51601696 is a wasteful number, since it uses less digits than its factorization.

51601696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70144 (or 70136 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 51601696 is about 7183.4320488190. The cubic root of 51601696 is about 372.2956758218.

The spelling of 51601696 in words is "fifty-one million, six hundred one thousand, six hundred ninety-six".