506061515550 has 72 divisors (see below), whose sum is σ = 1257507744264. Its totient is φ = 134683796480.

The previous prime is 506061515537. The next prime is 506061515563. The reversal of 506061515550 is 55515160605.

It is an interprime number because it is at equal distance from previous prime (506061515537) and next prime (506061515563).

It is a junction number, because it is equal to n+sod(n) for n = 506061515499 and 506061515508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 222639214 + ... + 222641486.

It is an arithmetic number, because the mean of its divisors is an integer number (17465385337).

Almost surely, 2^506061515550 is an apocalyptic number.

506061515550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506061515550 is an abundant number, since it is smaller than the sum of its proper divisors (751446228714).

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

506061515550 is an equidigital number, since it uses as much as digits as its factorization.

506061515550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 506061515550 in words is "five hundred six billion, sixty-one million, five hundred fifteen thousand, five hundred fifty".