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56055169 = 74872
BaseRepresentation
bin1101010111010…
…1010110000001
310220110220020101
43111311112001
5103322231134
65321242401
71250314102
oct325652601
9126426211
1056055169
1129707095
1216933401
13b7c8551
1476323a9
154dc3e14
hex3575581

56055169 has 3 divisors (see below), whose sum is σ = 56062657. Its totient is φ = 56047682.

The previous prime is 56055151. The next prime is 56055191. The reversal of 56055169 is 96155065.

The square root of 56055169 is 7487.

It is a perfect power (a square), and thus also a powerful number.

56055169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 56055169 - 211 = 56053121 is a prime.

It is a super-2 number, since 2×560551692 = 6284363943237122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56055269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3744 + ... + 11230.

Almost surely, 256055169 is an apocalyptic number.

56055169 is the 7487-th square number.

56055169 is the 3744-th centered octagonal number.

It is an amenable number.

56055169 is a deficient number, since it is larger than the sum of its proper divisors (7488).

56055169 is an frugal number, since it uses more digits than its factorization.

56055169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The cubic root of 56055169 is about 382.7118316298.

The spelling of 56055169 in words is "fifty-six million, fifty-five thousand, one hundred sixty-nine".

Divisors: 1 7487 56055169