55550277802550 has 48 divisors (see below), whose sum is σ = 110786198247360. Its totient is φ = 20648323637760.

The previous prime is 55550277802493. The next prime is 55550277802559. The reversal of 55550277802550 is 5520877205555.

It is a happy number.

55550277802550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550277802559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413561129 + ... + 413695428.

It is an arithmetic number, because the mean of its divisors is an integer number (2308045796820).

Almost surely, 2^{55550277802550} is an apocalyptic number.

55550277802550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550277802550 is a deficient number, since it is larger than the sum of its proper divisors (55235920444810).

55550277802550 is a wasteful number, since it uses less digits than its factorization.

55550277802550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827256665 (or 827256660 counting only the distinct ones).

The product of its (nonzero) digits is 24500000, while the sum is 56.

The spelling of 55550277802550 in words is "fifty-five trillion, five hundred fifty billion, two hundred seventy-seven million, eight hundred two thousand, five hundred fifty".