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55205802 = 2323066989
BaseRepresentation
bin1101001010010…
…1111110101010
310211212202010100
43102211332222
5103113041202
65251130230
71240145601
oct322457652
9124782110
1055205802
1129186a33
12165a3976
13b58ba72
147490a38
154ca741c
hex34a5faa

55205802 has 12 divisors (see below), whose sum is σ = 119612610. Its totient is φ = 18401928.

The previous prime is 55205797. The next prime is 55205809. The reversal of 55205802 is 20850255.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 25492401 = 5451^2 + 5049^2 .

It is not an unprimeable number, because it can be changed into a prime (55205809) 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, 1533477 + ... + 1533512.

Almost surely, 255205802 is an apocalyptic number.

55205802 is an abundant number, since it is smaller than the sum of its proper divisors (64406808).

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

55205802 is a wasteful number, since it uses less digits than its factorization.

55205802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066997 (or 3066994 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55205802 is about 7430.0606996175. The cubic root of 55205802 is about 380.7689921686.

The spelling of 55205802 in words is "fifty-five million, two hundred five thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 3066989 6133978 9200967 18401934 27602901 55205802