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55452205 = 529382429
BaseRepresentation
bin1101001110001…
…0001000101101
310212100021010101
43103202020231
5103143432310
65300311101
71242223144
oct323421055
9125307111
1055452205
1129335076
12166a2491
13b646c73
14751675b
154d0543a
hex34e222d

55452205 has 8 divisors (see below), whose sum is σ = 68837400. Its totient is φ = 42831936.

The previous prime is 55452193. The next prime is 55452223. The reversal of 55452205 is 50225455.

It can be written as a sum of positive squares in 4 ways, for example, as 1473796 + 53978409 = 1214^2 + 7347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55452205 - 27 = 55452077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191070 + ... + 191359.

It is an arithmetic number, because the mean of its divisors is an integer number (8604675).

Almost surely, 255452205 is an apocalyptic number.

It is an amenable number.

55452205 is a deficient number, since it is larger than the sum of its proper divisors (13385195).

55452205 is a wasteful number, since it uses less digits than its factorization.

55452205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382463.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55452205 is about 7446.6237315981. The cubic root of 55452205 is about 381.3346536018.

It can be divided in two parts, 5545 and 2205, that added together give a triangular number (7750 = T124).

The spelling of 55452205 in words is "fifty-five million, four hundred fifty-two thousand, two hundred five".

Divisors: 1 5 29 145 382429 1912145 11090441 55452205