55287838203 has 16 divisors (see below), whose sum is σ = 79393147680. Its totient is φ = 34020935424.

The previous prime is 55287838169. The next prime is 55287838217. The reversal of 55287838203 is 30283878255.

It is not a de Polignac number, because 55287838203 - 2¹⁰ = 55287837179 is a prime.

It is a super-2 number, since 2×55287838203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55287838253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648975 + ... + 729207.

It is an arithmetic number, because the mean of its divisors is an integer number (4962071730).

Almost surely, 2^55287838203 is an apocalyptic number.

55287838203 is a deficient number, since it is larger than the sum of its proper divisors (24105309477).

55287838203 is a wasteful number, since it uses less digits than its factorization.

55287838203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97918.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 55287838203 in words is "fifty-five billion, two hundred eighty-seven million, eight hundred thirty-eight thousand, two hundred three".