51499948096 has 63 divisors (see below), whose sum is σ = 107929284141. Its totient is φ = 24378372864.

The previous prime is 51499948063. The next prime is 51499948099. The reversal of 51499948096 is 69084999415.

The square root of 51499948096 is 226936.

It is a perfect power (a square), and thus also a powerful number.

51499948096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44960961600 + 6538986496 = 212040^2 + 80864^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (51499948099) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34493526 + ... + 34495018.

Almost surely, 2^51499948096 is an apocalyptic number.

51499948096 is the 226936-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51499948096

51499948096 is an abundant number, since it is smaller than the sum of its proper divisors (56429336045).

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

51499948096 is an frugal number, since it uses more digits than its factorization.

51499948096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

Multiplying 51499948096 by its sum of digits (64), we get a square (3295996678144 = 1815488²).

51499948096 divided by its sum of digits (64) gives a square (804686689 = 28367²).

The spelling of 51499948096 in words is "fifty-one billion, four hundred ninety-nine million, nine hundred forty-eight thousand, ninety-six".