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55250336 = 252922053
BaseRepresentation
bin1101001011000…
…0110110100000
310211222000012202
43102300312200
5103121002321
65252112332
71240422461
oct322606640
9124860182
1055250336
1129207439
12166056a8
13b5a610b
1474a2d68
154cb570b
hex34b0da0

55250336 has 36 divisors (see below), whose sum is σ = 112709142. Its totient is φ = 26659584.

The previous prime is 55250291. The next prime is 55250353. The reversal of 55250336 is 63305255.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 48385936 + 6864400 = 6956^2 + 2620^2 .

It is a super-2 number, since 2×552503362 = 6105199256225792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 55250299 and 55250308.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 25886 + ... + 27938.

Almost surely, 255250336 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 55250336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56354571).

55250336 is an abundant number, since it is smaller than the sum of its proper divisors (57458806).

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

55250336 is a wasteful number, since it uses less digits than its factorization.

55250336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 55250336 is about 7433.0569754308. The cubic root of 55250336 is about 380.8713522346.

The spelling of 55250336 in words is "fifty-five million, two hundred fifty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 841 928 1682 2053 3364 4106 6728 8212 13456 16424 26912 32848 59537 65696 119074 238148 476296 952592 1726573 1905184 3453146 6906292 13812584 27625168 55250336