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55245544 = 2318138153
BaseRepresentation
bin1101001010111…
…1101011101000
310211221202122021
43102233223220
5103120324134
65252034224
71240402504
oct322575350
9124852567
1055245544
1129203882
1216602974
13b5a3b93
1474a1304
154cb40b4
hex34afae8

55245544 has 16 divisors (see below), whose sum is σ = 104160420. Its totient is φ = 27469440.

The previous prime is 55245511. The next prime is 55245577. The reversal of 55245544 is 44554255.

It is an interprime number because it is at equal distance from previous prime (55245511) and next prime (55245577).

It can be written as a sum of positive squares in 2 ways, for example, as 52562500 + 2683044 = 7250^2 + 1638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17629 + ... + 20524.

Almost surely, 255245544 is an apocalyptic number.

It is an amenable number.

55245544 is a deficient number, since it is larger than the sum of its proper divisors (48914876).

55245544 is a wasteful number, since it uses less digits than its factorization.

55245544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38340 (or 38336 counting only the distinct ones).

The product of its digits is 80000, while the sum is 34.

The square root of 55245544 is about 7432.7346246183. The cubic root of 55245544 is about 380.8603406076.

Adding to 55245544 its reverse (44554255), we get a palindrome (99799799).

The spelling of 55245544 in words is "fifty-five million, two hundred forty-five thousand, five hundred forty-four".

Divisors: 1 2 4 8 181 362 724 1448 38153 76306 152612 305224 6905693 13811386 27622772 55245544