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55576485 = 3251772649
BaseRepresentation
bin1101010000000…
…0011110100101
310212120120121100
43110000132211
5103211421420
65303110313
71243251366
oct324003645
9125516540
1055576485
112940a488
1216742399
13b68b6c3
147549b6d
154d2c190
hex35007a5

55576485 has 24 divisors (see below), whose sum is σ = 102000600. Its totient is φ = 27896832.

The previous prime is 55576483. The next prime is 55576529. The reversal of 55576485 is 58467555.

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 49028004 = 2559^2 + 7002^2 .

It is not a de Polignac number, because 55576485 - 21 = 55576483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55576485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55576481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35560 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (4250025).

Almost surely, 255576485 is an apocalyptic number.

It is an amenable number.

55576485 is a deficient number, since it is larger than the sum of its proper divisors (46424115).

55576485 is a wasteful number, since it uses less digits than its factorization.

55576485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72677 (or 72674 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 55576485 is about 7454.9637826082. The cubic root of 55576485 is about 381.6193246348.

The spelling of 55576485 in words is "fifty-five million, five hundred seventy-six thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 72649 217947 363245 653841 1089735 1235033 3269205 3705099 6175165 11115297 18525495 55576485