51220096 has 16 divisors (see below), whose sum is σ = 102040290. Its totient is φ = 25609984.

The previous prime is 51220087. The next prime is 51220109. The reversal of 51220096 is 69002215.

It can be written as a sum of positive squares in only one way, i.e., 32901696 + 18318400 = 5736^2 + 4280^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51220096.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199951 + ... + 200206.

Almost surely, 2^51220096 is an apocalyptic number.

It is an amenable number.

51220096 is a deficient number, since it is larger than the sum of its proper divisors (50820194).

51220096 is an equidigital number, since it uses as much as digits as its factorization.

51220096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400171 (or 400159 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 51220096 is about 7156.8216409241. The cubic root of 51220096 is about 371.3756822974.

The spelling of 51220096 in words is "fifty-one million, two hundred twenty thousand, ninety-six".