512120550 has 48 divisors (see below), whose sum is σ = 1287484560. Its totient is φ = 134691840.

The previous prime is 512120549. The next prime is 512120551. The reversal of 512120550 is 55021215.

It is an interprime number because it is at equal distance from previous prime (512120549) and next prime (512120551).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512120551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12435 + ... + 34334.

It is an arithmetic number, because the mean of its divisors is an integer number (26822595).

Almost surely, 2^512120550 is an apocalyptic number.

512120550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

512120550 is an abundant number, since it is smaller than the sum of its proper divisors (775364010).

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

512120550 is a wasteful number, since it uses less digits than its factorization.

512120550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46857 (or 46852 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 512120550 is about 22630.0806450176. The cubic root of 512120550 is about 800.0627815313.

Adding to 512120550 its reverse (55021215), we get a palindrome (567141765).

The spelling of 512120550 in words is "five hundred twelve million, one hundred twenty thousand, five hundred fifty".