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55003025 = 5271128573
BaseRepresentation
bin1101000111010…
…0011110010001
310211111102222002
43101310132101
5103040044100
65242523345
71235342450
oct321643621
9124442862
1055003025
1129058650
1216506555
13b51a68c
14743ab97
154c672d5
hex3474791

55003025 has 24 divisors (see below), whose sum is σ = 85036224. Its totient is φ = 34286400.

The previous prime is 55003009. The next prime is 55003027. The reversal of 55003025 is 52030055.

55003025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55003025 - 24 = 55003009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55002988 and 55003006.

It is not an unprimeable number, because it can be changed into a prime (55003027) 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 23 ways as a sum of consecutive naturals, for example, 12362 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (3543176).

Almost surely, 255003025 is an apocalyptic number.

55003025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55003025 is a deficient number, since it is larger than the sum of its proper divisors (30033199).

55003025 is a wasteful number, since it uses less digits than its factorization.

55003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28601 (or 28596 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55003025 is about 7416.4024297499. The cubic root of 55003025 is about 380.3022180278.

It can be divided in two parts, 550030 and 25, that added together give a palindrome (550055).

The spelling of 55003025 in words is "fifty-five million, three thousand, twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 28573 142865 200011 314303 714325 1000055 1571515 2200121 5000275 7857575 11000605 55003025