505050650 has 24 divisors (see below), whose sum is σ = 1011656604. Its totient is φ = 186480000.

The previous prime is 505050649. The next prime is 505050653. The reversal of 505050650 is 56050505.

It can be written as a sum of positive squares in 6 ways, for example, as 251317609 + 253733041 = 15853^2 + 15929^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (505050653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387851 + ... + 389150.

Almost surely, 2^505050650 is an apocalyptic number.

505050650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505050650 is an abundant number, since it is smaller than the sum of its proper divisors (506605954).

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

505050650 is a wasteful number, since it uses less digits than its factorization.

505050650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777026 (or 777021 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505050650 is about 22473.3319736972. The cubic root of 505050650 is about 796.3640467150.

The spelling of 505050650 in words is "five hundred five million, fifty thousand, six hundred fifty".