51837222016 has 16 divisors (see below), whose sum is σ = 103269465990. Its totient is φ = 25918610944.

The previous prime is 51837221983. The next prime is 51837222077. The reversal of 51837222016 is 61022273815.

It can be written as a sum of positive squares in only one way, i.e., 50661006400 + 1176215616 = 225080^2 + 34296^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202489021 + ... + 202489276.

Almost surely, 2^51837222016 is an apocalyptic number.

It is an amenable number.

51837222016 is a deficient number, since it is larger than the sum of its proper divisors (51432243974).

51837222016 is an equidigital number, since it uses as much as digits as its factorization.

51837222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404978311 (or 404978299 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 51837222016 in words is "fifty-one billion, eight hundred thirty-seven million, two hundred twenty-two thousand, sixteen".