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54552228 = 22323239827
BaseRepresentation
bin1101000000011…
…0011010100100
310210122112120220
43100012122210
5102431132403
65225124340
71231454253
oct320063244
9123575526
1054552228
112887a995
12163296b0
13b3c0433
14736079a
154bc8953
hex34066a4

54552228 has 48 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 17299744.

The previous prime is 54552227. The next prime is 54552229. The reversal of 54552228 is 82225545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54552227) and next prime (54552229).

It is a super-3 number, since 3×545522283 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54552227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65551 + ... + 66377.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 254552228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54552228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66769920).

54552228 is an abundant number, since it is smaller than the sum of its proper divisors (78987612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54552228 is a wasteful number, since it uses less digits than its factorization.

54552228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 54552228 is about 7385.9480095652. The cubic root of 54552228 is about 379.2603989230.

The spelling of 54552228 in words is "fifty-four million, five hundred fifty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 239 276 478 717 827 956 1434 1654 2481 2868 3308 4962 5497 9924 10994 16491 19021 21988 32982 38042 57063 65964 76084 114126 197653 228252 395306 592959 790612 1185918 2371836 4546019 9092038 13638057 18184076 27276114 54552228