5155555050 has 72 divisors (see below), whose sum is σ = 13860609516. Its totient is φ = 1373886720.

The previous prime is 5155555049. The next prime is 5155555081. The reversal of 5155555050 is 505555515.

It is a happy number.

5155555050 is a `hidden beast` number, since 5 + 1 + 5 + 55 + 550 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1320201 + 5154234849 = 1149^2 + 71793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5155554996 and 5155555014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 895782 + ... + 901518.

Almost surely, 2^5155555050 is an apocalyptic number.

5155555050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5155555050 is an abundant number, since it is smaller than the sum of its proper divisors (8705054466).

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

5155555050 is a wasteful number, since it uses less digits than its factorization.

5155555050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752 (or 7744 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The square root of 5155555050 is about 71802.1939079858. The cubic root of 5155555050 is about 1727.5281894924.

The spelling of 5155555050 in words is "five billion, one hundred fifty-five million, five hundred fifty-five thousand, fifty".