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55269248 = 27538147
BaseRepresentation
bin1101001011010…
…1011110000000
310211222222011012
43102311132000
5103122103443
65252340052
71240531556
oct322653600
9124888135
1055269248
112921a671
1216614628
13b5b18c8
1474a9bd6
154cbb118
hex34b5780

55269248 has 32 divisors (see below), whose sum is σ = 112197960. Its totient is φ = 27109888.

The previous prime is 55269241. The next prime is 55269251. The reversal of 55269248 is 84296255.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55269241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711 + ... + 10857.

Almost surely, 255269248 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 55269248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56098980).

55269248 is an abundant number, since it is smaller than the sum of its proper divisors (56928712).

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

55269248 is an equidigital number, since it uses as much as digits as its factorization.

55269248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214 (or 8202 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 55269248 is about 7434.3290215056. The cubic root of 55269248 is about 380.9148042619.

The spelling of 55269248 in words is "fifty-five million, two hundred sixty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 424 848 1696 3392 6784 8147 16294 32588 65176 130352 260704 431791 521408 863582 1042816 1727164 3454328 6908656 13817312 27634624 55269248