51596416 has 16 divisors (see below), whose sum is σ = 102789990. Its totient is φ = 25798144.

The previous prime is 51596399. The next prime is 51596437. The reversal of 51596416 is 61469515.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 6760000 = 6696^2 + 2600^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201421 + ... + 201676.

Almost surely, 2^51596416 is an apocalyptic number.

It is an amenable number.

51596416 is a deficient number, since it is larger than the sum of its proper divisors (51193574).

51596416 is an equidigital number, since it uses as much as digits as its factorization.

51596416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403111 (or 403099 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 51596416 is about 7183.0645270664. The cubic root of 51596416 is about 372.2829773488.

The spelling of 51596416 in words is "fifty-one million, five hundred ninety-six thousand, four hundred sixteen".