55601169 has 24 divisors (see below), whose sum is σ = 85011552.
Its totient is φ = 32198400.
The previous prime is 55601167. The next prime is 55601171. The reversal of 55601169 is 96110655.
It is an interprime number because it is at equal distance from previous prime (55601167) and next prime (55601171).
It is not a de Polignac number, because 55601169 - 21 = 55601167 is a prime.
It is a super-2 number, since 2×556011692 = 6182979988333122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (55601167) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5394 + ... + 11844.
It is an arithmetic number, because the mean of its divisors is an integer number (3542148).
Almost surely, 255601169 is an apocalyptic number.
It is an amenable number.
55601169 is a deficient number, since it is larger than the sum of its proper divisors (29410383).
55601169 is a wasteful number, since it uses less digits than its factorization.
55601169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6497 (or 6484 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 33.
The square root of 55601169 is about 7456.6191400661.
The cubic root of 55601169 is about 381.6758143364.
The spelling of 55601169 in words is "fifty-five million, six hundred one thousand, one hundred sixty-nine".