5120515550 has 12 divisors (see below), whose sum is σ = 9524159016. Its totient is φ = 2048206200.

The previous prime is 5120515537. The next prime is 5120515571. The reversal of 5120515550 is 555150215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51205106 + ... + 51205205.

It is an arithmetic number, because the mean of its divisors is an integer number (793679918).

Almost surely, 2^5120515550 is an apocalyptic number.

5120515550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5120515550 is a deficient number, since it is larger than the sum of its proper divisors (4403643466).

5120515550 is a wasteful number, since it uses less digits than its factorization.

5120515550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102410323 (or 102410318 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 5120515550 is about 71557.7777044536. Note that the first 4 decimals coincide. The cubic root of 5120515550 is about 1723.6056000216.

Adding to 5120515550 its reverse (555150215), we get a palindrome (5675665765).

The spelling of 5120515550 in words is "five billion, one hundred twenty million, five hundred fifteen thousand, five hundred fifty".