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55598043 = 318532681
BaseRepresentation
bin1101010000010…
…1101111011011
310212121200011210
43110011233123
5103213114133
65303354203
71243401264
oct324055733
9125550153
1055598043
11294246a6
1216752963
13b698467
14755396b
154d33763
hex3505bdb

55598043 has 4 divisors (see below), whose sum is σ = 74130728. Its totient is φ = 37065360.

The previous prime is 55598027. The next prime is 55598051. The reversal of 55598043 is 34089555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55598043 - 24 = 55598027 is a prime.

It is a super-2 number, since 2×555980432 = 6182284770859698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55597992 and 55598010.

It is not an unprimeable number, because it can be changed into a prime (55598003) 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, 9266338 + ... + 9266343.

It is an arithmetic number, because the mean of its divisors is an integer number (18532682).

Almost surely, 255598043 is an apocalyptic number.

55598043 is a deficient number, since it is larger than the sum of its proper divisors (18532685).

55598043 is a wasteful number, since it uses less digits than its factorization.

55598043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532684.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 55598043 is about 7456.4095246975. The cubic root of 55598043 is about 381.6686613635.

The spelling of 55598043 in words is "fifty-five million, five hundred ninety-eight thousand, forty-three".

Divisors: 1 3 18532681 55598043