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55340450 = 25211239421
BaseRepresentation
bin1101001100011…
…0110110100010
310212010120211022
43103012312202
5103131343300
65254045442
71241246264
oct323066642
9125116738
1055340450
1129269110
1216649882
13b608139
1474c7b34
154cd2285
hex34c6da2

55340450 has 48 divisors (see below), whose sum is σ = 113028480. Its totient is φ = 19992000.

The previous prime is 55340437. The next prime is 55340471. The reversal of 55340450 is 5404355.

55340450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131240 + ... + 131660.

It is an arithmetic number, because the mean of its divisors is an integer number (2354760).

Almost surely, 255340450 is an apocalyptic number.

55340450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55340450 is an abundant number, since it is smaller than the sum of its proper divisors (57688030).

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

55340450 is a wasteful number, since it uses less digits than its factorization.

55340450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55340450 is about 7439.1162109487. The cubic root of 55340450 is about 381.0783084309.

The spelling of 55340450 in words is "fifty-five million, three hundred forty thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 239 275 421 478 550 842 1195 2105 2390 2629 4210 4631 5258 5975 9262 10525 11950 13145 21050 23155 26290 46310 65725 100619 115775 131450 201238 231550 503095 1006190 1106809 2213618 2515475 5030950 5534045 11068090 27670225 55340450