55388033163 has 12 divisors (see below), whose sum is σ = 80029056120. Its totient is φ = 36914223456.

The previous prime is 55388033143. The next prime is 55388033263. The reversal of 55388033163 is 36133088355.

55388033163 is a `hidden beast` number, since 5 + 538 + 80 + 3 + 31 + 6 + 3 = 666.

It is not a de Polignac number, because 55388033163 - 2¹⁶ = 55387967627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55388033143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896098 + ... + 955911.

It is an arithmetic number, because the mean of its divisors is an integer number (6669088010).

Almost surely, 2^55388033163 is an apocalyptic number.

55388033163 is a deficient number, since it is larger than the sum of its proper divisors (24641022957).

55388033163 is a wasteful number, since it uses less digits than its factorization.

55388033163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855338 (or 1855335 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 55388033163 in words is "fifty-five billion, three hundred eighty-eight million, thirty-three thousand, one hundred sixty-three".