555515452550 has 48 divisors (see below), whose sum is σ = 1061424460320. Its totient is φ = 216151752960.

The previous prime is 555515452489. The next prime is 555515452573. The reversal of 555515452550 is 55254515555.

It is a junction number, because it is equal to n+sod(n) for n = 555515452495 and 555515452504.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8772602 + ... + 8835698.

It is an arithmetic number, because the mean of its divisors is an integer number (22113009590).

Almost surely, 2^555515452550 is an apocalyptic number.

555515452550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555515452550 is a deficient number, since it is larger than the sum of its proper divisors (505909007770).

555515452550 is a wasteful number, since it uses less digits than its factorization.

555515452550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67905 (or 67900 counting only the distinct ones).

The product of its (nonzero) digits is 3125000, while the sum is 47.

The spelling of 555515452550 in words is "five hundred fifty-five billion, five hundred fifteen million, four hundred fifty-two thousand, five hundred fifty".