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55255300 = 2252552553
BaseRepresentation
bin1101001011001…
…0000100000100
310211222021000121
43102302010010
5103121132200
65252151324
71240443112
oct322620404
9124867017
1055255300
1129210141
1216608544
13b5a8459
1474a4ab2
154cb6e1a
hex34b2104

55255300 has 18 divisors (see below), whose sum is σ = 119904218. Its totient is φ = 22102080.

The previous prime is 55255283. The next prime is 55255303. The reversal of 55255300 is 355255.

It can be written as a sum of positive squares in 3 ways, for example, as 1115136 + 54140164 = 1056^2 + 7358^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55255303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276177 + ... + 276376.

Almost surely, 255255300 is an apocalyptic number.

55255300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55255300 is an abundant number, since it is smaller than the sum of its proper divisors (64648918).

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

55255300 is a wasteful number, since it uses less digits than its factorization.

55255300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552567 (or 552560 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 55255300 is about 7433.3908816905. The cubic root of 55255300 is about 380.8827584324.

It can be divided in two parts, 55255 and 300, that added together give a palindrome (55555).

The spelling of 55255300 in words is "fifty-five million, two hundred fifty-five thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 552553 1105106 2210212 2762765 5525530 11051060 13813825 27627650 55255300