50778115600 has 135 divisors (see below), whose sum is σ = 128970604263. Its totient is φ = 19209784320.

The previous prime is 50778115573. The next prime is 50778115607. The reversal of 50778115600 is 651187705.

The square root of 50778115600 is 225340.

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

It can be written as a sum of positive squares in 4 ways, for example, as 34245904 + 50743869696 = 5852^2 + 225264^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50778115607) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 85628904 + ... + 85629496.

Almost surely, 2^50778115600 is an apocalyptic number.

50778115600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50778115600 is the 225340-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50778115600

50778115600 is an abundant number, since it is smaller than the sum of its proper divisors (78192488663).

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

50778115600 is an equidigital number, since it uses as much as digits as its factorization.

50778115600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 50778115600 in words is "fifty billion, seven hundred seventy-eight million, one hundred fifteen thousand, six hundred".